drop weight

基本解释

I’ve been riding this thing constantly since I returned from Alaska, and it’s helping me drop the weight. Also helping me drop weight is…
从阿拉斯加回来后，我经常骑着它东跑西颠，还成功瘦身。
What variation rule of impact toughness and drop weight tear test with temperature were displayed. The high toughness of pipedesign steel could meet the requirement of pipe steel.
给出了冲击韧性和落锤撕裂性能随温度变化的规律，这种管线钢能够满足管线设计的需要。
The method and standard of drop weight tear test were described. It was also discussed how to evaluate the capability of pipeline steel to transit from toughness to fracture by DWTT.
论述了落锤撕裂试验的方法和标准，并对用DWTT来评定管材及其焊接接头的韧脆转化能力进行了探讨。

So, it's a trivial matter, by looking at what is the weight and how far does it drop, to say OK, how much work is done by the paddle wheel.
好，让我们看看重物的质量,以及它下落的距离，就知道桨轮做了多少功。
麻省理工公开课 - 热力学与动力学课程节选

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