类似图中样子的吧?我也有一个夹在两层dry wall中间。my basement's 下水道气体的Vent is between drywall
你信不信?
是的类似图中样子的吧?我也有一个夹在两层dry wall中间。
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Plumbing Check Vent Under Counter Sink - Mobile Home Repair
They go by several names depending on your geography and the application: plumbing check vent, under counter vent, cheater vent, sink vent pipe, and perhaps others. ... Read morewww.mobilehomerepair.com