roller type ratchetroller-type ratchet滚柱: pin roller式: type; style棘轮: notch wheel; clik pulley; cl ...机构: mechanism齿式棘轮机构: tooth ratchet mechanism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:滚柱式棘轮机构，即可在微信中查询翻译
