... punching test 冲孔试验 punching tool steel冲制工具钢，冲头钢 puncture ①击穿②冲孔，穿孔 ...
双语例句
1
Repair, such as high-speed toolsteel cutting planer tools, high temperature and punching moulds, stamping tools and cutting knife plate rolling and cutting tools under the mold cutting edge.