单选题The scale trap is located between the （）Aking valve and the expansion valveBsolenoid valve and expansion valveCevaporator and receiverDcompressor and evaporator
单选题
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
参考解析
解析：
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