英语词汇“objective for dark-ground observation”的翻译、意思、用法、释义-英汉汉英双解词典

单词	objective for dark-ground observation
释义	objective for dark-ground observation 暗视场物镜
随便看	doorpersons doorphone door phone doorplate door plate door-plate door plate pin washer doorplates door-plates door pneumatic cylinder door pocket door-pocket door-pockets door policy door pollow door's +doors door saddle door-safeguard controller door safety mirror door safety shoe assembly door salesman door sheet of fire box door shelf door shell