单项选择题
In a typical fuel system, the oil is stored in （） in the double bottom.
A.setting tanks
B.service tanks
C.tanks
D.drain tanks
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相关考题
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单项选择题
In a typical fuel oil system, the oil is stored in tanks in the double bottom from which it is pumped to （） and heated.
A.a service tank
B.a collecting tank
C.a sump
D.a settling tank -
单项选择题
In a purifier, the interface between the liquid seal and the oil should be positioned as close as possible to （）.
A.the outlet of oil
B.the outlet of water
C.the bowl periphery
D.the center of bowl -
单项选择题
In a purifier changing to a gravity disc with larger hole diameter will move the interface towards the （）.
A.bowl periphery
B.bowl center
C.upper surface
D.lower surface
