单项选择题
A.one B.two C.three D.four
In the variable delivery pump, moving the spindle more ...
单项选择题In the variable delivery pump, moving the spindle more from the central point will cause （） fluid to be pumped and consequently （）pressure is generated to drive the rams.
A.more；more B.more；less C.less；more D.less；less
The required rudder angle is transmitted hydraulically ...
单项选择题The required rudder angle is transmitted hydraulically or electrically from the steering wheel at the bridge to the （）at the steering gear, just above the rudder.
A.transmitter B.tele-motor C.hydraulic ram D.hydraulic cylinder
The transmission system is the means （）the movement of ...
单项选择题The transmission system is the means （）the movement of the rudder is accomplished.
A.by which B.to which C.in which D.at which
