题目内容

断电器触电与点火线圈的初级绕组串联。()

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断电器触电间隙过大过小都会使次级电压降低。()

The phrase "to sign on"(Line 2, Para. 2)most probably means______.

A. to check on the availability of jobs at the jobcentre
B. to accept the government"s restrictions on the allowance
C. to register for an allowance from the government
D. to attend a governmental job-training program

起动机转速越高,流过起动机的电流越大。()

收放机各转动部应用______油或______润滑油。

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