This paper introduces the structure of the positive-wave system of the naval dual-wave shock test machine and analyses the water-hammer phenomena in the system.
介绍了舰载设备双波冲击试验机正波发生系统的基本结构，对系统中水锤现象进行了分析。
The test results showed that using medium weight shock test machine to simulate under water not-touch close quarters blast environment to test equipment is a feasible technical measure.
试验结果表明，用中量级冲击机来模拟水下近距离非接触爆炸性环境并对装备进行考核是当前可行的一种技术手段。
The damage boundary curve of packed products could be described with the help of the shock test by impact machine.
描述包装产品的破损极限曲线，必须借助冲击机进行冲击试验。
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