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【单选题】
直线 与平面 平行,直线 在平面 内,则( )A.
直线 与直线 平行
B.
直线 与直线 相交
C.
直线 与直线 异面
D.
直线 与直线 平行或异面
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皮皮学刷刷变学霸
举一反三
【单选题】The meat box temperature control circuit, as used in ship service refrigeration system, is an example of __________.
A.
two position control
B.
signal speed floating control
C.
proportional control
D.
reset control
【简答题】旅游心理学研究的具体方法
【单选题】The meat box temperature control circuit, as used in the ship service refrigeration system, is an example of ______.
A.
two position control
B.
single speed floating control
C.
proportional(比例) control
D.
reset control
【单选题】Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the _____.
A.
cooling water pump
B.
nozzle cooling passages
C.
cylinder jackets
D.
heat exchanger
【简答题】Lubricants perform numerous other functions, such as control, control, temperature control and control.
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