... cold piercing 冷穿孔 deep piercing深穿 die piercing 拉模钻孔 ...
双语例句
1
The extrusion and piercing die was developed based on the technical analysis on the shaping characteristics of deep taper pipe with hole.
针对带孔深锥形管件的成形特点进行了工艺分析,确定了成形方案,设计了锥形管挤压模和冲孔模。
2
The author proposes adopting the following means on company law to regulate illicit associated transactions: introduce abroad "Principle of Piercing the Corporate Veil "and "Deep Rock Doctrine ";