这些角色的头颅穿过雏菊而锤击；
可能他们最初找到的是生铜，把它锤击成形。
Possibly they first found native copper and hammered it into shape .
锤击试验时，要考虑的最重要的事情是什么？
What are some of the most important things to consider when impact testing?
鼓手需要一个非常舒适的踩锤击打鼓皮的感觉。
The drummer needs to be comfortable with the feel of the beater hitting the head.
弹性波的获取容易，利用锤击发振，操作简单。
The elastic wave gain is easy, inspires using the hammer firing, the operation is simple.
锤击法在桩基质量检测中是一种行之有效的手段。
By using hammer method for pile quality is a high effective.
本发明公开了一种管件锤击式电磁整形技术及装置。
The invention discloses a hammer type pipe fitting electromagnetically shaping technology and a device thereof.
锤击，击敲打，尤指连续地用锤子敲打或好象用锤子敲打；
To hit, especially repeatedly, with or as if with a hammer; pound.
第一，很多双击是由锤击试验的新手或者不熟练人员造成的。
First, many double impacts occur due to new or inexperienced impact testers.
第一，很多双击是由锤击试验的新手或者不熟练人员造成的。
First, many double impacts occur due to new or inexperienced impact testers.
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