n. weights ; ballasting
This text calculates the rational tower rope strength under this bridge of main construction operating modes,and calculates the pressure weight under calculating every main operating mode.
采用切线刚度分配法计算了该桥施工主要工况下的合理扣索力,并计算了各主要工况下的压重。
参考来源 - 朝天门大桥关键施工技术的时变力学分析·2,447,543篇论文数据，部分数据来源于NoteExpress
另外一种技术只利用两条线的压重。
通过实验研究了机油、常压重柴油、减压重柴油和回炼油作原料生产白油的可能性。
Through experiments, the possibility is studied of producing white oil by such raw materials as oil, heavy diesel oil at normal or negative pressures.
我要下降时，就用一把刀捅破一些气球，或者割掉绳子放飞它们。要上升时，就扔掉一部分用来压重的水。
I descended by popping balloons with a knife or cutting them free, and climbed by throwing off some of my ballast water.
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