space-width taper齿距: pitch; teeth space收缩: contract; shrink刀顶距收缩: point width taper齿距: pitch (of teeth); teeth space具有刀顶距收缩的大小轮粗切过程: taper roughing下载手机词典可随时随地查词查翻译关注微信公众号:chachacidian,回复:齿距收缩,即可在微信中查询翻译