The experiment, which USES the method of falling ball to measure viscosity coefficient of liquids, is one of the common physics experiments.
用落球法测定液体的粘滞系数实验是普通物理实验之一。
And then the material performance was confirmed by a serious test such as low-temperature falling ball impact test and airbag deployment specification test.
并以低温落球试验、气囊展开特性试验对材料选择结果进行了验证，并对以后同类型的设计提供了参考。
The falling-ball impact wear tester designed by ourselves was used to investigate the microstructural changes in specimens tested under the condition similar to that of ball mills.
利用自行研制的落球冲击磨损实验装置，在模拟球磨机的工矿条件下，研究了冲击磨损后样品的组织结构变化。
The falling-ball impact wear tester designed by ourselves was used to investigate the microstructural changes in specimens tested under the condition similar to that of ball mills.
利用自行研制的落球冲击磨损实验装置，在模拟球磨机的工矿条件下，研究了冲击磨损后样品的组织结构变化。
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