rack-type jack齿条: rack; gear rack; rack rod; r ...式: type; style起重器: ground jack; jack; jack-in-t ...齿杆: ratch千斤顶: jack; lifting jack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:齿条式起重器, 齿杆式千斤顶，即可在微信中查询翻译
