螺旋齿

螺旋齿 [luó xuán chǐ]

1. ■ helical tooth; skew tooth; spiral (-curved) tooth

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常用词组

1. ■ 螺旋齿滚刀 {机} diamond knurling tool;

2. ■ 螺旋齿铣刀 helical tooth (milling) cutter