拉刀

拉刀 [lā dāo]

1. ■ {机} broach; scraping out cutter

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常用词组

1. ■ 拉刀磨床 broach grinding machine; broach sharpener;

2. ■ 拉刀行程 broach travel;

3. ■ 拉刀支架 broach support