Had better use nickel - plating screw or stainless screw and waterproof glue to install the material.

(五)、最好使用镀镍螺丝钉、不锈钢螺丝钉和防水胶水安装.

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For civil construction , such as glue with tile, cement & waterproof glue for cement.

如磁砖接著 、 水泥接著 、 增强剂、水泥 防水胶.

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