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  1. 高強度聚氯乙烯(HPVC)實壁管

    高強度聚氯乙烯(HPVC)實壁管具有高強度、高韌性、抗壓強、阻燃性好、耐腐蝕等特點。產品可代替鍍 塑或鍍鋅鋼管,橫穿馬路或穿越橋梁作為通信電纜保護管,可代替MPP、PE管用于非開挖管道。 

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    產品性能

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    新婚少妇无套内谢国语播放
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