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1. The helical gear cutting process is crucial forthe smooth operation of the machine.
螺旋齿轮加工过程对于机器的顺畅运行至关重要。
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2. Theengineer used a special tool to cut thehelical gears in the machine.
工程师使用特殊的工具来切割机器中的螺旋齿轮。
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3. The helical gear cutting technologyhas greatly improved the efficiency of the machinery.
螺旋齿轮切割技术大大提高了机械的效率。