punched hole

基本解释

The effect of processing pre-punched hole on the forming state of sheets is analyzed.
分析了工艺预冲孔对板料成形状态的影响，并把数值模拟引入工艺预冲孔设置的研究。
Some rules of processing pre-punched hole setting are summarized through the simulated results of two instances and the analysis of stress and strain for sheets.
通过对两个例子模拟结果和板料应力应变的分析，总结出了工艺预冲孔设置的一些规律。
The effect of processing pre-punched hole on the forming state of sheets is analyzed. Numerical simulation is applied to the study on processing pre-punched hole setting.
分析了工艺预冲孔对板料成形状态的影响，并把数值模拟引入工艺预冲孔设置的研究。

He got so mad he punched a hole in the wall of his den.
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He put a barrel of water in a dark room, a light at the top of it, and punched a hole in the barrel's side.
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The top half and the control panels are clean, but the engine room and cabin were submerged after a hurricane punched a hole through the fiberglass hull.
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