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Trenchless construction
Underground construction that involves little or no surface trenches so it has minimal disruption to traffic, business, and other activities. Trenchless technology is a fast growing sector of construction and civil engineering that covers such methods as boring, drilling, tunneling, and pipe ramming.
Industry: Construction
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Trenchless construction
導向鑽進
Construction; Trenchless construction
適用于小型和有時 Midi 水準定向鑽到歐洲的術語。它是一個可操縱系統的管道、 管道安裝和電纜使用浮出水面發起的鑽機的 。先導孔鑽使用旋轉鑽柱和被以回鉸刀或擴展器然後放大到產品管所需的大小。必要的偏差在試點鏜提供鑽頭、 非對稱鑽頭、 偏心流體射流或這些組合傾斜面。 ...
承運人管
Construction; Trenchless construction
管進行運輸的產品,其中也能從外殼在公路和鐵路過境點。可鋼、 混凝土、 粘土、 玻璃纖維增強聚酯、 塑膠、 球墨鑄鐵、 或其他材料。可能下的公路和鐵路直接鑽孔的場合。 ...
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