单项选择题

The ____ is used to handle the ropes and wires.
A.steering gear
B.windlass
C.deck crane
D.warping drum

A.
A.steering
B.windlass
C.deck
C.warping
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Burning ( ), the oil provides the engine’s power.A.in the pistonB.in the cylinderC.in the bearing
A.
A.in
B.in
C.in
单项选择题
If the viscosity of the liquid being transferred remains constant as the discharge pressure increases, the rotary pump _____.A.capacity will increaseB.capacity will decreaseC.suction pressure will increaseD.suction pressure will decrease
A.
A.capacity
B.capacity
C.suction
D.suction
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