石(Shi)化(Hua)行(Xing)业(Ye)在(Zai)生(Sheng)产(Chan)过(Guo)程(Cheng)中(Zhong)会(Hui)用(Yong)到(Dao)大(Da)量(Liang)的(De)钻(Zuan)机(Ji)、(?)压(Ya)缩(Suo)机(Ji)、(?)风(Feng)机(Ji)、(?)水(Shui)泵(Beng)等(Deng)机(Ji)械(Xie)设(She)备(Bei)，(?)这(Zhe)些(Xie)设(She)备(Bei)都(Du)需(Xu)要(Yao)防(Fang)爆(Bao)或(Huo)者(Zhe)普(Pu)通(Tong)电(Dian)动(Dong)机(Ji)驱(Qu)动(Dong)。(?)由(You)于(Yu)行(Xing)业(Ye)的(De)特(Te)殊(Shu)性(Xing)，(?)用(Yong)户(Hu)选(Xuan)择(Ze)电(Dian)动(Dong)机(Ji)时(Shi)特(Te)别(Bie)注(Zhu)重(Zhong)电(Dian)动(Dong)机(Ji)的(De)可(Ke)靠(Kao)性(Xing)和(He)安(An)全(Quan)性(Xing)。(?)