单选题Which of the following would not cause high suction pressure?（）Ainsufficient refrigerationBleaky suction valvesCexpansion valve stuck openDsuction valve not adjusted properly
单选题
Which of the following would not cause high suction pressure?（）
A
insufficient refrigeration
B
leaky suction valves
C
expansion valve stuck open
D
suction valve not adjusted properly
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解析：
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