A、A.the period of time during which no trouble occurs to the engine
B、B.no trouble will occur to the engine all its life
C、C.trouble may occur freely to the engine
D、D.no matter what you do to the engine, no trouble will occur during this period
更多“The trouble-free life of an engine indicates （）.”相关的问题
A、their no trouble period B、their freely trouble period C、its free trouble life D、its trouble-free life
A、where is the trouble B、where does the trouble C、where the trouble lies D、what is the trouble
A、When the windlass is in trouble, the sailor must go and call the electrician to repair it. B、When the derrick is in trouble, the sailor must go and call the electrician to repair it. C、When the winch is in trouble, the sailor must go and call the electrician to repair it. D、When the winch is in trouble, the sailor must go and call the carpenter to repair it.
A、to free the carrying ship from liability B、to free the non-carrying ship from liability C、to free the ship in the wrong from liability D、to free the ship not to blame from liability
A、to free the carrying ship from liability B、to free the non-carrying ship from liability C、to free the ship in the wrong from liability D、to free the ship not to blame from liability
A、is the dross of selfishness consumed； set free B、the dross of selfishness is consumed； setting free C、is the dross of selfishness consuming； sets free
A、transverse free surface correction for the vessel B、sum of the vertical moments of the vessel C、sum of the longitudinal free surface moments of the vessel D、longitudinal centerline of the vessel
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