- 平: flat; level; even; smooth
- 冲头: head; formed punch; piercing ...
- 冲头: [自动化] head; formed punch; piercing mandrel; plunger chip [tip]; punch pin [knife]; striking [former] block; hub; punch◇冲头半径 [设计] punch radius
- 平冲角: angle of balance
- 平冲器: balancer
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