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煤气减压阀指针到哪里为正常 – 家居日记

煤气减压阀指针到哪里为正常

煤气减压阀指针到哪里为正常
煤气减压阀指针到绿色区为正常,黄色区表示警告区,红色区则表示气压高,危险。煤气减压阀上面有一个按钮,通过顺时针或逆时针调节气压大小,