单选题When the steering wheel is turned, oil is directed to the steering gear rams by（）Amodulating the oil flow with the six-way valveBmoving the automatic pressure differential valveCmoving the receiving telemotor which regulates the tow-way valveDvarying the eccentricity of a floating ting or angle of a tilting box
单选题
When the steering wheel is turned, oil is directed to the steering gear rams by（）
A
modulating the oil flow with the six-way valve
B
moving the automatic pressure differential valve
C
moving the receiving telemotor which regulates the tow-way valve
D
varying the eccentricity of a floating ting or angle of a tilting box
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