When cut off the water supply, because of the negative pressure in feed pipe, siphonage arises more easily. 停水時(shí)，因為供水管中的負壓，虹吸現象更易產(chǎn)生。
Additionally, the whole wall rim above the users is a radiant wall to perform heating and cooling purposes through an integrated network of water tubes. 此外，整個(gè)墻環(huán)以上的用戶(hù)是一個(gè)輻射壁履行供熱和制冷的目的，通過(guò)一個(gè)集成的網(wǎng)絡(luò )供水管。
Brief Statement on New Plastic Water Supply Pipe. 新型塑料給水管簡(jiǎn)述。
After analyzing the characteristics and application situation of the polyvinyl chlride waterpipe,the variation of the waterquality in the plastic water pipeis studied. 分析了我國塑料給水管的特點(diǎn)及應用現狀，對聚氯乙烯塑料給水管中化學(xué)成分對水質(zhì)的影響進(jìn)行了研究。
