total valve ; main valve
阀门总代理 REXROTH
排气阀门总成 EXHAUST VALVE ASS'Y
如果你闻到煤气味，关闭总阀门。
If you smell gas, shut off the main gas valve.
youdao
If you smell gas, shut off.
于是乎，在物业把总阀门关掉之前，姥姥家发大水了。
Thus, before the property management of residence turned off the valve, my grandmother's house was flooded.
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