英语词汇“coal face undercutting”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	coal face undercutting
释义	coal face undercutting [矿业] 采煤工作面截槽
随便看	quick return motion quick-return motion quick return motion mechanism quick-return motion mechanism quick returns and small margins quick return stroke quick-return stroke quick return valve quick reversing test quick-revolution engine quick ripening equipment quick ripening process quick rise check valve quick-rising quick rising quick runner quicks quick salting system Quicksan C quicksand quick-sand quick sand quicksanded quicksandlike quicksands 411125133 411125134 411125135 411125135 411125141 411125142 411125143 411125144 411125145 4111251*51 ナイマゼナイミツ校歌校正校注校異校章校紀校舎校葬