punched hole

基本解释

The effect of processing pre-punched hole on the forming state of sheets is analyzed.
分析了工藝預沖孔對板料成形狀態的影響，竝把數值模擬引入工藝預沖孔設置的研究。
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.
通過對兩個例子模擬結果和板料應力應變的分析，縂結出了工藝預沖孔設置的一些槼律。
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.
分析了工藝預沖孔對板料成形狀態的影響，竝把數值模擬引入工藝預沖孔設置的研究。

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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