[单选题]Engage the flywheel with the ().A . turning gearB . motorC . driving gearD . driven gear
[单选题]E.NC表示:( )A.其它方面未特指B.病因未特指C.不可归类它处者D.注释短语E.代用词
[单选题]The word“confront”(1ine 2,para 4)most probably means“________”.A.bring face to faceB.find outB.understandD.accept
[单选题]Combustion knock can occur in the cylinders of a diesel engine under any condition permitting ().A . a shortened ignition delay periodB . a lean fuel/air mixtureC . excess fuel in the combustion chamberD . rapid vaporization of injected fuel droplet
[单选题]Bearing knocks are likely to occur from ().A . less clearanceB . dirty lube oilC . overloadD . bearing wear
[单选题]Please see that suchan()does not occur again.A . mistakeB . negligenceC . oversightD . carelessness