单项选择题
A.interlocked B.interconnected C.interfered D.interacted
According to the way the steering gear is operated, the...
单项选择题According to the way the steering gear is operated, the steering gear may be divided into: hand - steering, （） and automatic steering.
A.hydraulic steering B.follow-up steering C.remote control steering D.air controlled steering
（） is used for sensing the temperature of the room in t...
单项选择题（） is used for sensing the temperature of the room in the air condition system.
A.An expansion valve B.An evaporator C.A thermostat D.A condenser
The control spindle operates the slipper ring or （） of ...
单项选择题The control spindle operates the slipper ring or （） of the variable delivery pump, which controls the suction and discharge of the oil.
A.servo-motor B.swash plate C.plunger D.cylinder
