当(Dang)前(Qian)位(Wei)置(Zhi)：(?)
陕(Shan)西(Xi)电(Dian)机(Ji)是(Shi)指(Zhi)依(Yi)据(Ju)电(Dian)磁(Ci)感(Gan)应(Ying)定(Ding)律(Lu)实(Shi)现(Xian)电(Dian)能(Neng)转(Zhuan)换(Huan)或(Huo)传(Chuan)递(Di)的(De)一(Yi)种(Zhong)电(Dian)磁(Ci)装(Zhuang)置(Zhi)。(?)在(Zai)电(Dian)路(Lu)中(Zhong)用(Yong)字(Zi)母(Mu)M(旧(Jiu)标(Biao)准(Zhun)用(Yong)D)表(Biao)示(Shi)。(?)它(Ta)的(De)主(Zhu)要(Yao)作(Zuo)用(Yong)是(Shi)产(Chan)生(Sheng)驱(Qu)动(Dong)转(Zhuan)矩(Ju)，(?)作(Zuo)为(Wei)用(Yong)电(Dian)器(Qi)或(Huo)各(Ge)种(Zhong)机(Ji)械(Xie)的(De)动(Dong)力(Li)源(Yuan)。(?)发(Fa)电(Dian)机(Ji)在(Zai)电(Dian)路(Lu)中(Zhong)用(Yong)字(Zi)母(Mu)G表(Biao)示(Shi)。(?)它(Ta)的(De)主(Zhu)要(Yao)作(Zuo)用(Yong)是(Shi)利(Li)用(Yong)机(Ji)械(Xie)能(Neng)转(Zhuan)化(Hua)为(Wei)电(Dian)能(Neng)，(?)目(Mu)前(Qian)常(Chang)用(Yong)的(De)是(Shi)利(Li)用(Yong)热(Re)能(Neng)、(?)水(Shui)能(Neng)等(Deng)推(Tui)动(Dong)发(Fa)电(Dian)机(Ji)转(Zhuan)子(Zi)来(Lai)发(Fa)电(Dian)。(?)
