7080棋牌游戏官网

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                                          电熔法兰

                                          时间:2018-02-15 14:05:14   tags: 电熔法兰 

                                          电熔法兰

                                          电熔法兰

                                          电熔法兰

                                          电熔法兰

                                          PE电熔法兰头法兰根HDPE钢丝网骨架管件属于管件。如果是给排水管道不用单独套用管件定额子目;如果是工业管道应该套用相应管件定额子目。

                                          DIANRONGFALANYOUDIAN

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                                          3、抗应力开裂性好:HDPE具有低的缺口敏感性、高的剪切强度和优异的抗刮痕能力,耐环境应力开裂性能也非常突出。

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