110PVC下水管怎样加装三通
问题描述：
110PVC下水管怎样加装三通
答
我是说原来是110的直管子,需要用三通从中间引出,要怎么操作
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在你要装三通的地方把管锯开,110三通的中间应该是20公分,把直管锯掉20公分,把伸缩节往上敲几公分就可以粘三通了,粘好三通再把伸缩节往下敲几公分就搞定了