英语词汇“内三关”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	内三关
释义	内三关 nèi sān guān明代以今河北境内沿内长城的居庸关、紫荆关、倒马关为内三关。內三關
随便看	pressureless pressureless compacting Pressureless forming technics pressureless impregnation pressureless infiltration pressureless infiltration fabrication Pressureless infiltrationtechnique Pressureless infiltration technique pressurelessly sintering Pressureless melt infiltration pressureless simering pressureless sintering Pressureless-sintering pressureless type evaporative cooling pressure less type evaporative cooling pressure let-down standpipe pressure leuel pressure level pressure level measuring device pressure level meter pressure level-off pressure levels pressure lever pressure lifting pressure lifting force