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單項(xiàng)選擇題

VIT means （）

A.variable injection timing
B.variable inlet tonnage
C.vertical incoming tonnage
D.vertical inlet tank

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Under manoeuvring condition the main engine may run on （）.

A.gas oil
B.marine diesel oil
C.residue oil
D.crude oil

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Two-stroke engine turbocharging is achieved by two distinct methods, （） termed the constant pressure and the pulse system.

A.respectable
B.respectful
C.respective
D.respectively

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