• Previous research in this area has shown that, in general, above-ground drainage systems benefit from a reduction in pipe diameter to improve drain self-cleansing.

    领域过去的研究表明一般说来,地面以上排水系统能通过减小管道直径受益从而改进排水的自清理。

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  • When installing the drain, use an inner diameter of 10 mm above the pipe, the length can not exceed 5 meters, not to bend the pipe up. (Below)

    安装排水管要用内径10毫米以上管子长度不能超过5不要使管子向上弯。(如下图)

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  • When installing the drain, use an inner diameter of 10 mm above the pipe, the length can not exceed 5 meters, not to bend the pipe up. (Below)

    安装排水管要用内径10毫米以上管子长度不能超过5不要使管子向上弯。(如下图)

    youdao

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