发布时间:2025-01-20 11:54:17
HDPE双壁波纹管采用橡胶圈承插连接。HDPE缠绕B型结构壁管,可以采用橡胶圈承插,但一般都采用热熔承插连接,比橡胶圈更牢靠。考虑到如果沟槽排水困难,用橡胶圈承插。
急新买的小区房子刚交钥匙能立刻搬进去住吗这边在拆迁没时间等着装修了
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