题目内容
(请给出正确答案)
[主观题]
Which one of the followings may not be checked before engine starting?
A.tank level
B.Various filters
C.Drains
D.seawater temperature
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A.tank level
B.Various filters
C.Drains
D.seawater temperature
第1题
A.100%
B.1/2
C.1/5
D.1/3
第2题
A.After every trip
B.Every 4000 hours
C.According to manufacturer’s instructions
D.Every time they are shutdown
第3题
A.water
B.dry chemical
C.foam
D.CO2
第4题
A.evaporator
B.compressor
C.expansion valve
D.condenser
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