... mechanical testing instrument 力学测试仪器 mechanical testing of metal 金属力学试验 mechanical vibration 机械振动 ...
双语例句
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The mechanicaltesting results showed that tensile strengths of samples welded by direct welding is only 31.24% of that of the parent metal, and 50.89% of that by "in-situ" welding.
The laboratories are equipped with universal metal material testing machine, the analysis system of the mechanical performance of metal materials, optical Brinell, Rockwell, Vickers hardness tester.