Central impact tests between concrete blocks are performed by a pendulum test system and a drop weight test system.

采用单摆和垂直轨道装置进行了混凝土块体对心碰撞试验。

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The results showed that many factors influenced the American drop weight impact test, such as temperature, sample size and the moulding process of samples.

结果表明，美式落锤冲击试验受很多因素(如温度、试样尺寸和试样的成型工艺)影响。

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The effective thermal input of pulse flash process is large, it can help reduce the drop weight test fracture of flat spot, which is suitable for welding U75V rail.

脉动闪光工艺的有效热输入大，有利于降低落锤断口灰斑，适合焊接U75V钢轨。

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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

The process creates a vicious cycle in which each time a person goes on a diet like McCotry's, she'll have to further lower her caloric intake in order to drop weight.

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Mr. Kampelman was a conscientious objector during World War II and did alternate service by participating in a government-funded starvation study that saw him drop in weight to 100 pounds from 160.

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"If someone were to drop a weight on their toe, and they don't have their shoe on, their toe is going to explode, " says Jason Carrell, the operator of Fitness 19 in Royal Oak, Mich.

WSJ: Barefoot Jocks Keep Gym Members on Their Toes