单项选择题
The hand steering is a method by which the motion of the rudder is controlled with （）.
A.a motor-driven steering wheel
B.a pneumatic steering wheel
C.a hand-driven steering wheel
D.an electric steering wheel
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相关考题
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单项选择题
The gudgeon pin is carried in （） in the piston skirt.
A.the bearing
B.the crosshead
C.bosses
D.bridges -
单项选择题
The governor of a generator engine is to （）.
A.make the engine stop
B.regulate the timing of camshafts
C.make the rpm stabilize at any required value
D.make the engine run at nearly constant speed -
单项选择题
The gas loads on the engine structure are constrained by means of hydraulically preloaded （） which connect the bed plate, frame sections and cylinder jackets into a single unit.
A.connecting rods
B.main bearing
C.column
D.tie rods
