right circular coneright cone直: straight; stiff锥: awl awl-shaped things垂直锥进: vertical coning直锥戳痕: orthocone prod mark准直锥体: collimating cone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:直锥,即可在微信中查询翻译