3-1-12塑料排水管沟

塑料排水管沟:1)取运料;2侧式排水沟基座浇注、填碎石,3)铺挂排水管沟,联接,固定,4)移动工作平台。

环向无纺布:1)取运料,铺设无纺布、塑料布、铁丝网;2)钻孔,膨胀螺栓固定;3)移动工作平台。




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