A、if
B、as
C、unless
D、when
更多“The crankcase can not be opened （）the parts have been cooled down.”相关的问题
A、Open the crankcase immediately to check for damage B、Apply fire fighting water through the crankcase breather C、Allow the engine to cool before opening the crankcase D、Assume that there is no damage to the crankshaft
A、No, it receives the MSI from ship stations B、Yes, it can C、only with NBDP terminal, can it receives the MSI sent from coast stations D、No, it can not receive the MSI sent from coast stations
A、water discharges from the indicator cocks B、no water is leaking into crankcase C、no water in the scavenge belt D、the rpm is lower than the speed of Dead Slow Ahead
A、A.No, no. I can help it myself. B、B.Thank you. C、C.Sorry, you can't. D、D.No, I don't need you.
A、A.the splashing of lubrication oil by the crankshaft B、B.the dilution of crankcase oil with particles of combustion C、C.broken fuel lines spraying oil on the crankcase D、D.the ignition of unburned fuel and air in the crankcase
A、removes combustible gases in the crankcase B、prevents the formation of combustible gases in the crankcase C、cools lubricating oil D、improves cold weather starting
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