题目内容
(请给出正确答案)
[主观题]
Fuel oil day tanks for diesel engines must be checked and cleaned and cleaned at regular i
ntervals in order to remove________.
A.sludge
B.water
C.micro-organism growth
D.all of the above
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A.sludge
B.water
C.micro-organism growth
D.all of the above
第1题
A.lifejacket
B.SCBA
C.lifeboat
D.torch
第2题
A.pressed/to
B.pressurized/with
C.pushed/in
D.compressed/to
第3题
A.sediment contamination
B.fuel filter clogging
C.moisture formation
D.inadequate transfer pump suction head
第4题
A.the toping light
B.the board brake
C.the fail-safe
D.the barrel shaft
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