preshaving pinion cutter剃: shave前: front插齿刀: pinion cutter凸角式剃前插齿刀: protuberance type shaper cutter插齿刀: gear shaper cutter; gear shaping tool; gear-slotting cutter; pinion cutter; pinion shaped cutter; pinion type cutter; slotting cutter下载手机词典可随时随地查词查翻译