CRH1型动车组的三个主变压器分别设置在()车。
A.Mc1、Mc2、Tb
B.Tp1、Tp2、Tb
C.M1、M2、M3
D.Tp1、Tp2、Mc2
参考答案:B
English is a language shared by several diverse cultures, _________ uses it differently.
A.all of which
B.each of which
C.all of them
D.each of them
大车运行机构制动器不能调得太紧,以防产生过大的制动()对起重机桥架造成危害。
A、惯性力
B、横向力
C、冲击力