straight hole直: straight; stiff井眼: borehole; well校直井眼: hole straightening斜直井眼: slant hole一种校直井眼扩眼器: hollow reamer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:直井眼,即可在微信中查询翻译