The paper introduces the structure, characteristics, working principle and field application of the new type of rod sealing unit.
介绍了一种新型光杆密封器的结构、特点、工作原理和现场应用情况。
This paper presents a computation method for a new type of retaining structure-the anchor pile with a pull rod.
本文介绍一种新型支挡结构物——具有拉杆的锚固桩的计算方法。
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