31 Terms
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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
定位器
Construction; Trenchless construction
用於確定的位置和強度的電磁信號發出從變送器在試點團長一個無聊的系統，在影響秣陵工具，或從現有的服務，已通電的電子儀器。
水準定向鑽 (HDD)
Construction; Trenchless construction
安裝管道、 管道和電纜的使用面淺埋弧的導向系統發起了鑽機。傳統上這一術語適用于大多數過境點的充液的先導孔鑽使用流體驅動電機在年底彎子和背擴到產品管所需的大小。所需的偏差在試點鏜提供定位彎子。跟蹤的鑽柱通過步行超過系統或井下調查工具的使用。 ...
