three-legged derrick三: three腿: leg钻塔: derrick; rig; drill tower; b ...钻塔: derrick; [机械工程] rig; drill tower; [矿物学] boring tower三腿凳: three-legged stool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:三腿钻塔，即可在微信中查询翻译
