发布时间:2025-02-01 11:16:00
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。
tineco 添可芙万20 slim智能增配升级版洗地机适用对象
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