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The construction of the main propulsion engine lube oil sump should ()

发布日期:2021-03-22

The construction of the main propulsion engine lub...
A

have no plating joints of 90

B

retain the lube oil as long as possible before it recirculates through the system

C

provided drain/return lines that are no greater than 24 inches from the pump suction

D

be provided with only a perfectly horizontal bottom

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