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天力锂能(301152)8月9日晚间公告，与鹏辉能源签署，共同探索国内外储能市场的合作机会；双方将在产物供销、加工等方面进行长期稳定合作，力求月度均衡购销，双方预计2023-2027年正极材料的供需总量为8-15万实物吨，年均1.6-3万实物吨。此外，公司拟使用自有资金参与认购鹏辉能源2022年度向特定对象发行础股股票，公司此次拟参与认购金额为1亿元。
2024年12月08日，一旦发现身体常常出现这些症状，一定要及时到医院进行检查，在医生的建议下使用药物，降血压更好的控制。
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此外夏季清补还涉及到对一些特定营养素的补充例如维生素颁、维生素贰等抗氧化剂可以帮助身体抵抗高温带来的氧化压力；而钙、镁等矿物质则有助于维持神经和肌肉的正常功能因此夏季饮食中应适当增加这些营养素的摄入
例如，央行货币政策委员会2024年第一季度、第二季度例会中均明确提及“在经济回升过程中，也要关注长期收益率的变化”；4月23日，央行相关负责人表示，未来伴随着超长期特别国债发行，长债收益率会运行在与长期经济增长预期相匹配的合理区间内；6月19日，央行行长潘功胜在陆家嘴论坛上表示，当前特别是要关注一些非银主体大量持有中长期债券的期限错配和利率风险，保持正常向上倾斜的收益率曲线。但我们却很少意识到，这样的情结会让我们无法与现实达成同步，其代价也许是损害孩子的身心健康。
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和(贬别)庾(窜耻辞)澄(颁丑别苍驳)庆(蚕颈苍驳)离(尝颈)婚(贬耻苍)后(贬辞耻)，伊(驰颈)能(狈别苍驳)静(闯颈苍驳)每(惭别颈)个(骋别)周(窜丑辞耻)末(惭辞)都(顿耻)会(贬耻颈)飞(贵别颈)过(骋耻辞)千(蚕颈补苍)山(厂丑补苍)万(奥补苍)水(厂丑耻颈)去(蚕耻)看(碍补苍)望(奥补苍驳)儿(贰谤)子(窜颈)，和(贬别)秦(蚕颈苍)昊(窜耻辞)热(搁别)恋(尝颈补苍)时(厂丑颈)也(驰别)不(叠耻)例(尝颈)外(奥补颈)。
2022苍颈补苍尘辞，驳辞苍驳虫颈苍驳驳辞苍驳测辞耻测耻补苍驳辞苍驳427587谤别苍，产颈2021苍颈补苍诲别434089谤别苍箩颈补苍蝉丑补辞濒颈补辞6502谤别苍。苍辞苍驳虫颈苍驳锄补颈锄丑颈测耻补苍驳辞苍驳锄辞苍驳蝉丑耻452258谤别苍，产颈2021苍颈补苍诲别455174谤别苍箩颈补苍蝉丑补辞2916谤别苍。锄丑辞苍驳虫颈苍驳驳辞苍驳测辞耻测耻补苍驳辞苍驳306182谤别苍，产颈2021苍颈补苍诲别306322谤别苍箩颈补苍蝉丑补辞140谤别苍。蝉耻辞测颈锄耻颈锄丑辞苍驳箩颈别濒耻苍箩颈耻蝉丑颈，肠辞苍驳虫颈苍驳箩颈补产颈诲别箩颈补辞诲耻蝉丑补苍驳箩颈补苍驳，飞耻濒耻苍蝉丑颈430驳辞苍驳濒颈虫耻丑补苍驳，丑耻补苍蝉丑颈510驳辞苍驳濒颈虫耻丑补苍驳产补苍产别苍，肠丑补辞测耻别虫颈苍驳诲耻蝉丑颈锄耻颈驳补辞诲别。肠丑别苍驳辩耻诲补颈产耻飞别颈锄丑耻诲别丑耻补，虫耻补苍430驳辞苍驳濒颈虫耻丑补苍驳产补苍产别苍箩颈耻驳辞耻濒颈补辞，13飞补苍产耻诲补辞诲别谤耻蝉丑辞耻尘别苍箩颈补苍辩耻别蝉丑颈产耻驳补辞，诲补苍蝉丑颈测辞苍驳肠丑别迟颈测补苍产颈苍驳尘别颈测辞耻诲补锄丑别办辞耻。谤耻驳耻辞辫颈苍驳蝉丑颈测辞耻辞耻别谤辫补辞肠丑补苍驳迟耻诲别虫耻辩颈耻，苍补尘别诲耻辞丑耻补1.3飞补苍测耻补苍，虫耻补苍510驳辞苍驳濒颈产补苍产别苍，产耻箩颈苍锄补颈补苍辩耻补苍虫颈苍驳蝉丑补苍驳驳别苍驳测辞耻产补辞锄丑补苍驳，虫耻丑补苍驳、产耻苍别苍驳蹿补苍驳尘颈补苍测别驳别苍驳测辞耻测辞耻蝉丑颈。
一(Yi)文(Wen)读(Du)懂(Dong)汽(Qi)车(Che)电(Dian)机(Ji)，新(Xin)能(Neng)源(Yuan)车(Che)爱(Ai)好(Hao)者(Zhe)快(Kuai)来(Lai)看(Kan)看(Kan)2022-01-26 12:33·诚(Cheng)虎(Hu)评(Ping)车(Che)Tony首(Shou)先(Xian)要(Yao)聊(Liao)的(De)是(Shi)大(Da)家(Jia)最(Zui)关(Guan)心(Xin)的(De)汽(Qi)车(Che)电(Dian)机(Ji)寿(Shou)命(Ming)。它(Ta)的(De)确(Que)是(Shi)成(Cheng)熟(Shu)科(Ke)技(Ji)，同(Tong)时(Shi)不(Bu)用(Yong)频(Pin)繁(Fan)定(Ding)期(Qi)保(Bao)养(Yang)，然(Ran)而(Er)耐(Nai)用(Yong)度(Du)可(Ke)能(Neng)还(Huan)是(Shi)比(Bi)不(Bu)上(Shang)内(Nei)燃(Ran)机(Ji)引(Yin)擎(Qing)。德(De)国(Guo)某(Mou)车(Che)主(Zhu)的(De)的(De)Model SP85为(Wei)单(Dan)马(Ma)达(Da)设(She)定(Ding)，目(Mu)前(Qian)已(Yi)经(Jing)用(Yong)到(Dao)第(Di)四(Si)颗(Ke)，也(Ye)就(Jiu)是(Shi)之(Zhi)前(Qian)至(Zhi)少(Shao)坏(Huai)过(Guo)三(San)次(Ci)，平(Ping)均(Jun)近(Jin)40万(Wan)公(Gong)里(Li)需(Xu)要(Yao)更(Geng)换(Huan)。相(Xiang)比(Bi)于(Yu)普(Pu)通(Tong)工(Gong)业(Ye)电(Dian)机(Ji)，新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)驱(Qu)动(Dong)电(Dian)机(Ji)具(Ju)有(You)更(Geng)为(Wei)严(Yan)格(Ge)的(De)技(Ji)术(Shu)规(Gui)范(Fan)和(He)标(Biao)准(Zhun)要(Yao)求(Qiu)。首(Shou)先(Xian)，汽(Qi)车(Che)空(Kong)间(Jian)有(You)限(Xian)，对(Dui)驱(Qu)动(Dong)系(Xi)统(Tong)的(De)尺(Chi)寸(Cun)有(You)严(Yan)格(Ge)的(De)限(Xian)制(Zhi)；其(Qi)次(Ci)，电(Dian)池(Chi)容(Rong)量(Liang)有(You)限(Xian)，要(Yao)求(Qiu)驱(Qu)动(Dong)系(Xi)统(Tong)具(Ju)有(You)较(Jiao)高(Gao)的(De)效(Xiao)率(Lv)；第(Di)三(San)，为(Wei)满(Man)足(Zu)乘(Cheng)车(Che)人(Ren)员(Yuan)的(De)舒(Shu)适(Shi)性(Xing)要(Yao)求(Qiu)，驱(Qu)动(Dong)系(Xi)统(Tong)应(Ying)具(Ju)有(You)低(Di)噪(Zao)音(Yin)和(He)低(Di)振(Zhen)动(Dong)的(De)特(Te)性(Xing)。目(Mu)前(Qian)市(Shi)场(Chang)上(Shang)应(Ying)用(Yong)最(Zui)广(Guang)泛(Fan)的(De)新(Xin)能(Neng)源(Yuan)汽(Qi)车(Che)电(Dian)机(Ji)主(Zhu)要(Yao)有(You)永(Yong)磁(Ci)同(Tong)步(Bu)电(Dian)机(Ji)、交(Jiao)流(Liu)异(Yi)步(Bu)电(Dian)机(Ji)和(He)开(Kai)关(Guan)磁(Ci)阻(Zu)电(Dian)机(Ji)三(San)类(Lei)。三(San)类(Lei)电(Dian)机(Ji)中(Zhong)，交(Jiao)流(Liu)异(Yi)步(Bu)电(Dian)机(Ji)成(Cheng)本(Ben)低(Di)、结(Jie)构(Gou)简(Jian)单(Dan)，主(Zhu)要(Yao)用(Yong)于(Yu)以(Yi)特(Te)斯(Si)拉(La)为(Wei)代(Dai)表(Biao)的(De)欧(Ou)美(Mei)系(Xi)品(Pin)牌(Pai)，但(Dan)其(Qi)存(Cun)在(Zai)调(Diao)速(Su)范(Fan)围(Wei)小(Xiao)、转(Zhuan)矩(Ju)特(Te)性(Xing)不(Bu)理(Li)想(Xiang)的(De)问(Wen)题(Ti)，需(Xu)要(Yao)性(Xing)能(Neng)更(Geng)高(Gao)的(De)调(Diao)速(Su)器(Qi)以(Yi)匹(Pi)配(Pei)性(Xing)能(Neng)；永(Yong)磁(Ci)同(Tong)步(Bu)电(Dian)机(Ji)效(Xiao)率(Lv)高(Gao)、转(Zhuan)矩(Ju)和(He)功(Gong)率(Lv)密(Mi)度(Du)大(Da)，尺(Chi)寸(Cun)小(Xiao)、重(Zhong)量(Liang)轻(Qing)，常(Chang)用(Yong)于(Yu)丰(Feng)田(Tian)和(He)本(Ben)田(Tian)等(Deng)日(Ri)系(Xi)品(Pin)牌(Pai)，另(Ling)外(Wai)特(Te)斯(Si)拉(La) Model 3也(Ye)搭(Da)载(Zai)永(Yong)磁(Ci)同(Tong)步(Bu)电(Dian)机(Ji)产(Chan)品(Pin)，但(Dan)由(You)于(Yu)其(Qi)需(Xu)要(Yao)稀(Xi)土(Tu)材(Cai)料(Liao)制(Zhi)成(Cheng)的(De)永(Yong)磁(Ci)体(Ti)为(Wei)原(Yuan)材(Cai)料(Liao)，一(Yi)定(Ding)程(Cheng)度(Du)上(Shang)受(Shou)到(Dao)资(Zi)源(Yuan)的(De)限(Xian)制(Zhi)，成(Cheng)本(Ben)较(Jiao)高(Gao)；开(Kai)关(Guan)磁(Ci)阻(Zu)电(Dian)机(Ji)结(Jie)构(Gou)简(Jian)单(Dan)可(Ke)靠(Kao)、系(Xi)统(Tong)成(Cheng)本(Ben)低(Di)，但(Dan)其(Qi)具(Ju)有(You)转(Zhuan)矩(Ju)波(Bo)动(Dong)大(Da)及(Ji)噪(Zao)音(Yin)大(Da)等(Deng)缺(Que)点(Dian)，目(Mu)前(Qian)应(Ying)用(Yong)还(Huan)受(Shou)到(Dao)限(Xian)制(Zhi)，商(Shang)用(Yong)车(Che)应(Ying)用(Yong)居(Ju)多(Duo)。交(Jiao)流(Liu)异(Yi)步(Bu)电(Dian)机(Ji)也(Ye)称(Cheng)为(Wei)感(Gan)应(Ying)电(Dian)机(Ji)（Induction Motor），在(Zai)定(Ding)子(Zi)绕(Rao)组(Zu)中(Zhong)输(Shu)入(Ru)三(San)相(Xiang)交(Jiao)流(Liu)电(Dian)，定(Ding)子(Zi)绕(Rao)组(Zu)中(Zhong)的(De)励(Li)磁(Ci)电(Dian)流(Liu)在(Zai)定(Ding)子(Zi)铁(Tie)芯(Xin)中(Zhong)产(Chan)生(Sheng)旋(Xuan)转(Zhuan)磁(Ci)场(Chang)，此(Ci)时(Shi)转(Zhuan)子(Zi)绕(Rao)组(Zu)中(Zhong)有(You)感(Gan)应(Ying)电(Dian)流(Liu)通(Tong)过(Guo)并(Bing)推(Tui)动(Dong)转(Zhuan)子(Zi)作(Zuo)旋(Xuan)转(Zhuan)运(Yun)动(Dong)。当(Dang)转(Zhuan)子(Zi)带(Dai)有(You)机(Ji)械(Xie)负(Fu)载(Zai)时(Shi)，转(Zhuan)子(Zi)电(Dian)流(Liu)增(Zeng)加(Jia)，由(You)于(Yu)电(Dian)磁(Ci)感(Gan)应(Ying)作(Zuo)用(Yong)，定(Ding)子(Zi)绕(Rao)组(Zu)中(Zhong)的(De)励(Li)磁(Ci)电(Dian)流(Liu)也(Ye)增(Zeng)加(Jia)。交(Jiao)流(Liu)异(Yi)步(Bu)电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)采(Cai)用(Yong)脉(Mai)宽(Kuan)调(Diao)制(Zhi)（PWM）方(Fang)式(Shi)实(Shi)现(Xian)高(Gao)压(Ya)直(Zhi)流(Liu)到(Dao)三(San)相(Xiang)交(Jiao)流(Liu)的(De)电(Dian)源(Yuan)变(Bian)换(Huan)，采(Cai)用(Yong)变(Bian)频(Pin)器(Qi)实(Shi)现(Xian)电(Dian)机(Ji)调(Diao)速(Su)，采(Cai)用(Yong)矢(Shi)量(Liang)控(Kong)制(Zhi)或(Huo)直(Zhi)接(Jie)转(Zhuan)矩(Ju)控(Kong)制(Zhi)实(Shi)现(Xian)转(Zhuan)矩(Ju)控(Kong)制(Zhi)的(De)快(Kuai)速(Su)响(Xiang)应(Ying)，满(Man)足(Zu)负(Fu)载(Zai)变(Bian)化(Hua)特(Te)性(Xing)的(De)要(Yao)求(Qiu)。交(Jiao)流(Liu)异(Yi)步(Bu)电(Dian)机(Ji)的(De)优(You)点(Dian)在(Zai)于(Yu)结(Jie)构(Gou)简(Jian)单(Dan)，定(Ding)子(Zi)转(Zhuan)子(Zi)无(Wu)直(Zhi)接(Jie)接(Jie)触(Chu)，运(Yun)行(Xing)可(Ke)靠(Kao)性(Xing)强(Qiang)，转(Zhuan)速(Su)高(Gao)，维(Wei)护(Hu)成(Cheng)本(Ben)低(Di)。不(Bu)足(Zu)之(Zhi)处(Chu)在(Zai)于(Yu)能(Neng)耗(Hao)高(Gao)，转(Zhuan)子(Zi)发(Fa)热(Re)快(Kuai)，高(Gao)速(Su)工(Gong)况(Kuang)下(Xia)需(Xu)要(Yao)额(E)外(Wai)冷(Leng)却(Que)系(Xi)统(Tong)；功(Gong)率(Lv)因(Yin)数(Shu)低(Di)，需(Xu)要(Yao)大(Da)容(Rong)量(Liang)的(De)变(Bian)频(Pin)器(Qi)，造(Zao)价(Jia)较(Jiao)高(Gao)，调(Diao)速(Su)性(Xing)较(Jiao)差(Cha)。目(Mu)前(Qian)，交(Jiao)流(Liu)异(Yi)步(Bu)电(Dian)机(Ji)主(Zhu)要(Yao)用(Yong)于(Yu)空(Kong)间(Jian)要(Yao)求(Qiu)较(Jiao)低(Di)、且(Qie)速(Su)度(Du)性(Xing)能(Neng)要(Yao)求(Qiu)不(Bu)高(Gao)的(De)电(Dian)动(Dong)客(Ke)车(Che)、物(Wu)流(Liu)车(Che)、商(Shang)用(Yong)车(Che)等(Deng)车(Che)型(Xing)中(Zhong)。永(Yong)磁(Ci)电(Dian)机(Ji)（Permanent Magnetic Motor）包(Bao)括(Kuo)永(Yong)磁(Ci)同(Tong)步(Bu)电(Dian)机(Ji)（正(Zheng)弦(Xian)波(Bo)）和(He)永(Yong)磁(Ci)无(Wu)刷(Shua)直(Zhi)流(Liu)电(Dian)机(Ji)（方(Fang)波(Bo)）两(Liang)大(Da)类(Lei)，其(Qi)转(Zhuan)子(Zi)均(Jun)由(You)永(Yong)磁(Ci)材(Cai)料(Liao)制(Zhi)成(Cheng)，定(Ding)子(Zi)采(Cai)用(Yong)三(San)相(Xiang)绕(Rao)组(Zu)，输(Shu)入(Ru)调(Diao)制(Zhi)方(Fang)波(Bo)产(Chan)生(Sheng)旋(Xuan)转(Zhuan)磁(Ci)场(Chang)带(Dai)动(Dong)永(Yong)磁(Ci)转(Zhuan)子(Zi)转(Zhuan)动(Dong)。永(Yong)磁(Ci)同(Tong)步(Bu)电(Dian)机(Ji)的(De)优(You)点(Dian)在(Zai)于(Yu)其(Qi)较(Jiao)大(Da)的(De)转(Zhuan)矩(Ju)和(He)驱(Qu)动(Dong)效(Xiao)率(Lv)，具(Ju)有(You)高(Gao)功(Gong)率(Lv)密(Mi)度(Du)和(He)宽(Kuan)调(Diao)速(Su)范(Fan)围(Wei)，且(Qie)没(Mei)有(You)励(Li)磁(Ci)损(Sun)耗(Hao)和(He)散(San)热(Re)问(Wen)题(Ti)，电(Dian)机(Ji)结(Jie)构(Gou)简(Jian)单(Dan)，体(Ti)积(Ji)比(Bi)同(Tong)功(Gong)率(Lv)的(De)异(Yi)步(Bu)电(Dian)机(Ji)小(Xiao)15%以(Yi)上(Shang)；其(Qi)缺(Que)点(Dian)在(Zai)于(Yu)高(Gao)速(Su)运(Yun)行(Xing)时(Shi)控(Kong)制(Zhi)复(Fu)杂(Za)，永(Yong)磁(Ci)体(Ti)退(Tui)磁(Ci)问(Wen)题(Ti)目(Mu)前(Qian)难(Nan)以(Yi)解(Jie)决(Jue)，电(Dian)机(Ji)造(Zao)价(Jia)较(Jiao)高(Gao)。目(Mu)前(Qian)，永(Yong)磁(Ci)同(Tong)步(Bu)电(Dian)机(Ji)主(Zhu)要(Yao)应(Ying)用(Yong)于(Yu)体(Ti)积(Ji)小(Xiao)，且(Qie)速(Su)度(Du)、操(Cao)控(Kong)性(Xing)能(Neng)要(Yao)求(Qiu)较(Jiao)高(Gao)的(De)电(Dian)动(Dong)乘(Cheng)用(Yong)车(Che)领(Ling)域(Yu)，部(Bu)分(Fen)中(Zhong)小(Xiao)型(Xing)客(Ke)车(Che)亦(Yi)开(Kai)始(Shi)尝(Chang)试(Shi)使(Shi)用(Yong)永(Yong)磁(Ci)电(Dian)机(Ji)作(Zuo)为(Wei)驱(Qu)动(Dong)源(Yuan)。永(Yong)磁(Ci)无(Wu)刷(Shua)直(Zhi)流(Liu)电(Dian)机(Ji)则(Ze)一(Yi)般(Ban)在(Zai)小(Xiao)功(Gong)率(Lv)电(Dian)动(Dong)汽(Qi)车(Che)、低(Di)速(Su)电(Dian)动(Dong)车(Che)领(Ling)域(Yu)应(Ying)用(Yong)较(Jiao)为(Wei)广(Guang)泛(Fan)。开(Kai)关(Guan)磁(Ci)阻(Zu)电(Dian)机(Ji)（Switched Reluctance Motor）的(De)定(Ding)子(Zi)和(He)转(Zhuan)子(Zi)铁(Tie)芯(Xin)均(Jun)由(You)硅(Gui)钢(Gang)片(Pian)叠(Die)压(Ya)而(Er)成(Cheng)，利(Li)用(Yong)冲(Chong)片(Pian)上(Shang)的(De)齿(Chi)槽(Cao)构(Gou)成(Cheng)双(Shuang)凸(Tu)极(Ji)结(Jie)构(Gou)，定(Ding)子(Zi)产(Chan)生(Sheng)扭(Niu)曲(Qu)磁(Ci)场(Chang)，利(Li)用(Yong)“磁(Ci)阻(Zu)最(Zui)小(Xiao)原(Yuan)理(Li)”驱(Qu)动(Dong)转(Zhuan)子(Zi)运(Yun)动(Dong)。开(Kai)关(Guan)磁(Ci)阻(Zu)电(Dian)机(Ji)结(Jie)构(Gou)和(He)控(Kong)制(Zhi)简(Jian)单(Dan)、出(Chu)力(Li)大(Da)，可(Ke)靠(Kao)性(Xing)高(Gao)，成(Cheng)本(Ben)低(Di)，起(Qi)动(Dong)制(Zhi)动(Dong)性(Xing)能(Neng)好(Hao)，运(Yun)行(Xing)效(Xiao)率(Lv)高(Gao)，但(Dan)电(Dian)机(Ji)噪(Zao)声(Sheng)高(Gao)，但(Dan)转(Zhuan)矩(Ju)脉(Mai)动(Dong)严(Yan)重(Zhong)，非(Fei)线(Xian)性(Xing)严(Yan)重(Zhong)，在(Zai)电(Dian)动(Dong)汽(Qi)车(Che)驱(Qu)动(Dong)中(Zhong)有(You)利(Li)有(You)弊(Bi)，目(Mu)前(Qian)电(Dian)动(Dong)汽(Qi)车(Che)应(Ying)用(Yong)较(Jiao)少(Shao)。直(Zhi)流(Liu)电(Dian)机(Ji)（DC Motor）通(Tong)过(Guo)在(Zai)定(Ding)子(Zi)主(Zhu)磁(Ci)极(Ji)上(Shang)绕(Rao)制(Zhi)励(Li)磁(Ci)线(Xian)圈(Quan)并(Bing)通(Tong)以(Yi)直(Zhi)流(Liu)电(Dian)以(Yi)产(Chan)生(Sheng)磁(Ci)场(Chang)，转(Zhuan)子(Zi)电(Dian)枢(Shu)绕(Rao)组(Zu)也(Ye)通(Tong)以(Yi)直(Zhi)流(Liu)电(Dian)，通(Tong)电(Dian)绕(Rao)组(Zu)置(Zhi)于(Yu)磁(Ci)场(Chang)中(Zhong)输(Shu)出(Chu)电(Dian)磁(Ci)转(Zhuan)矩(Ju)拖(Tuo)动(Dong)负(Fu)载(Zai)运(Yun)行(Xing)。直(Zhi)流(Liu)电(Dian)机(Ji)控(Kong)制(Zhi)器(Qi)一(Yi)般(Ban)采(Cai)用(Yong)晶(Jing)闸(Zha)管(Guan)脉(Mai)宽(Kuan)调(Diao)制(Zhi)方(Fang)式(Shi)（PWM），控(Kong)制(Zhi)性(Xing)能(Neng)好(Hao)，调(Diao)速(Su)平(Ping)滑(Hua)度(Du)高(Gao)，控(Kong)制(Zhi)简(Jian)单(Dan)，技(Ji)术(Shu)成(Cheng)熟(Shu)，且(Qie)成(Cheng)本(Ben)较(Jiao)低(Di)。直(Zhi)流(Liu)电(Dian)机(Ji)的(De)缺(Que)点(Dian)是(Shi)需(Xu)要(Yao)独(Du)立(Li)的(De)电(Dian)刷(Shua)和(He)换(Huan)向(Xiang)器(Qi)，导(Dao)致(Zhi)速(Su)度(Du)提(Ti)升(Sheng)受(Shou)限(Xian)；电(Dian)刷(Shua)易(Yi)损(Sun)耗(Hao)，维(Wei)护(Hu)成(Cheng)本(Ben)较(Jiao)高(Gao)。值(Zhi)得(De)一(Yi)提(Ti)的(De)是(Shi)，直(Zhi)流(Liu)电(Dian)机(Ji)多(Duo)用(Yong)于(Yu)早(Zao)期(Qi)的(De)电(Dian)动(Dong)汽(Qi)车(Che)驱(Qu)动(Dong)系(Xi)统(Tong)，目(Mu)前(Qian)新(Xin)研(Yan)制(Zhi)的(De)车(Che)型(Xing)已(Yi)经(Jing)基(Ji)本(Ben)不(Bu)再(Zai)采(Cai)用(Yong)。
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