发布时间:2025-02-01 10:38:48
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。
我家住一楼,很潮。现重新装修:打掉地板砖至地基找平层,架空20cm、装模板、浇筑混凝土;砸掉墙皮做防水。
2025-02-01 10:38:48门外一个总水闸 屋里卫生间和厨房两个水闸 如果外面水闸打开 屋里两个闸关闭 会跑水吗
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