spike rollerspiked rollertoothed roller钉: nail; tack齿: tooth辊: roller齿辊: gear roller; spiked roll钉齿: spike tooth; tine; tooth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:钉齿辊,即可在微信中查询翻译