没想到你还是黄花大闺女,人妻人人做人做人人爱双色球,少妇精品导航,女教师巨大乳孔中文字幕

簡體中文English


Home>>Pressure Pipe &fittings

Drainage & Sewage| Conduit| Plastic Lined Steel Piping and Fittings| Pressure Pipe &fittings|

> Pipe closer

The pipe closer of water-supply pipe element is mainly used to block pipe line to prevent leakage at the joint without connecting with pipe. Besides, it can prevent miscellaneous articles entering a pipe line. Moreover, the main difference between the pipe closer of plastics-steel pipe element and the one of water-supply pipe element exists in: the connection between the pipe closer of plastics-steel pipe element and the joint is by screw thread and is detachable, but the connection of latter is stuck by glue and not detachable.

主站蜘蛛池模板: 皋兰县| 定陶县| 黔东| 讷河市| 汉川市| 綦江县| 筠连县| 金溪县| 图木舒克市| 米林县| 轮台县| 井陉县| 墨竹工卡县| 阳新县| 长武县| 义马市| 巨野县| 长泰县| 麻城市| 全州县| 翁源县| 上饶县| 义乌市| 白朗县| 邹平县| 正宁县| 广水市| 德清县| 收藏| 伊金霍洛旗| 资阳市| 尼勒克县| 丰都县| 博罗县| 奇台县| 舒兰市| 峡江县| 克什克腾旗| 兰州市| 孟津县| 正镶白旗|