发布时间:2025-01-20 11:54:33
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。
家庭新房子装修玻璃门基框近挨洗碗池处餐厅近挨椅靠处的墙能用纸面石膏板装修吗
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