英语词汇“steep-grade tunneling”的翻译、意思、用法、释义-英汉汉英双解词典

单词	steep-grade tunneling
释义	steep-grade tunneling 陡坡隧洞掘进
随便看	ijsselmeerzuider zee IJsselmonde ijsselmonde i ijsselmuiden IJsselmuiden IJssel river ijssel rivers ijssels IJsselsteijn IJsselstein IJszee ijt ijtihad ijtihads iju Ijui I jump /dance for joy I jumped at the chance I jumped for joy I jump for joy i jung ta ting y?eh ijussite ijust I just aced the test I just believe a harf of his words