题目内容

The scale trap is located between the ()

A. king valve and the expansion valve
B. solenoid valve and expansion valve
C. evaporator and receiver
D. compressor and evaporator

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幼儿家庭教育指导

动作意象的方式有哪些?

制动踏板自由行程为()毫米。

A. 38
B. 28
C. 25

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