发布时间:2025-01-20 11:54:46
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。
有哪位朋友知道做假山盆景的吸水石用什么材料做怎么做就是吸水性很强上面能长苔藓的那种先谢了
2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46 2025-01-20 11:54:46