negative buoyancy 中文意思是什麼
negative buoyancy
解釋
沉降浮力-
We succeeded in crossing hanjing river of zhong - wu gas pipeline project, dawen river of jining branch line of west - east gas pipeline using the technique of trenching in water, controlling negative buoyancy and bottom towing without water interception
公司採用帶水大開挖成溝,控制負浮力,管道底拖法等施工工藝,在江河不斷流的前提下,成功完成了忠武輸氣管道襄樊支線漢江穿越、西氣東輸冀寧支線大汶河穿越等工程。
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