成果题名:Research on CNC Machining Screw which is Variable Pitch & Groove Depth & Groove Width
作者: 1Shan Li1,2, Min Han3, Lutao Deng
成果题名:Research on CNC Machining Screw which is Variable Pitch & Groove Depth & Groove Width
作者: 1Shan Li1,2, Min Han3, Lutao Deng
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