• 1. drum-type shears: 滚筒式剪切机
• 2. drum type shears: 滚筒式剪切机
• 3. drum-type flying shears: 鼓轮式飞剪机

更多释义

• 1.The key problem for drum-type flying shears is taking what specifications in designing a uniform speed non-knuckle gear and using what calculating method of its pitch curve.
  设计什么性能的匀速非圆齿轮及其节曲线的计算方法是滚筒式飞剪的关键问题。
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