单项选择题
A.tips B.tags C.lips D.keys
The auxiliary engine and a cgenerator can be connected ...
单项选择题The auxiliary engine and a cgenerator can be connected with （）.
A.cam B.crosshead C.bulge D.coupling
The amount of lubricating oil in the drain tank should ...
单项选择题The amount of lubricating oil in the drain tank should be checked by （）.
A.measuring B.sounding rod C.metering D.weighting
The abbreviation TDC means （）.A.top dead centerB.temper...
单项选择题The abbreviation TDC means （）.
A.top dead center B.temperature difference center C.time delay dock D.top diesel company
