cascade impacter 阶式低速碰撞采样器
impacter r 卧式锻造机
DTH impacter 潜孔冲击器
Profit Impacter 利润的补偿者
impactor impacter 无砧痤锻锤
impacter forging hammer [机] 无砧座锻锤
impactor impacter detail 硬着陆宇宙飞船
The paper introduces a kind of sonic method by which frequency of impacter is measured.
介绍了一种声波法测冲击器频率的方法。
In this article, the working principle and design calculations of a new type of DTH impacter are described.
介绍一种新型潜孔冲击器的工作原理和设计计算。
The result of analogue test shows that frequency of impacter measured by sonic method consists with actual frequency and the method is feasible.
模拟试验结论表明,声波法测出的冲击频率与实际频率是一致的,具有可行性。
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