单项选择题
A.0.3 B.0.6 C.0.9 D.1.2
A.1% B.5% C.2% D.3%
A.1.0 B.1.2 C.1.6 D.1.8
A.水压捡漏 B.气压捡漏 C.真空捡漏 D.充制冷剂捡漏
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