branch vent 中文意思是什麼
branch vent
解釋
通風支管-
The vent pipe runs in parallel to the soil stack and is connected to the branch soil pipe from a bathroom on the fourth floor. it serves to equalize the air pressure between the main soil stack and the branch soil pipe
污水排氣管與污水管平衡敷設,並與四樓一浴室的支污水管連接,作用是平衡主污水管及支污水管之間氣壓。
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