The one-way punch forming process used for brass valve body was introduced, some instructive Suggestions for improving the process were put forward.

针对黄铜阀体单向冲压成形生产中存在的问题，提出了改进措施。

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This article analyzes and discusses the technology and model tool structure of aluminium-alloy thin-plate instead of brass band to punch several small hole one time.

本文对机械闹钟夹板以铝合金薄板代替铜带之后的一次冲多个小孔的工艺及模具结构进行了分析、探讨。

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Yeah, a little extra reach on a punch, a set of brass knuckles, a stripe on the sleeve, a badge that says cop on it, a rock in your hand, or a bankroll in your pocket.

就是，打拳的时候比别人出拳要出那么一点，一套指节铜套，手套上的条纹，一枚警徽，手中的石头，或者你口袋里的钞票。

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He said extra costs and red tape had also been imposed on school plays and discos where ticket sales went to Parent Teacher Association funds, Punch and Judy shows, street artists, park brass bands and restaurant pianists.

BBC: Plans to scrap entertainment licences put forward