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冲压材料
1、punch biopsy───[医] 钻取活组织检查
2、hole punch───打孔机;打孔
3、material───n.材料;用具;(有指明特征的)人才;素材;曲目;布料;adj.物质的;身体需要的;和推理内容有关的;重要的;(证据或事实)决定性的;客观存在的;物欲的;n.(Material)(意、美)妈特力娅丽(人名)
4、punch recipes───冲压食谱
5、punch───vt.开洞;以拳重击;n.冲压机;打洞器;钻孔机;vi.用拳猛击;n.(Punch)人名;(马来)蓬芝;(英)庞奇
6、punch clock───打卡钟
7、punch line───n.妙语;n.(故事、戏剧、笑话等中的)妙语
8、pin punch───尖冲头
9、felicitation punch───庆功拳
1、Contact problem of compound material plane with cracks under a rigid punch action is studied in the third chapter.───第三章研究了具任意形状裂纹复合材料平面在单压头作用下的接触问题。
2、Contact problem of compound material plane with periodic cracks under periodic rigid punch action is studied in the fourth chapter.───第四章研究了具任意形状裂纹复合材料平面在周期压头作用下的接触问题。
3、Punch press: machine tool that changes the size or shape of a piece of material usually sheet metal by applying pressure to a die in which the workpiece is held.───冲床:将压力加到装有工件的模具上,以改变一片材料,通常是金属片的大小和形状的机床。