英语词汇“maintenance echelon”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	maintenance echelon
释义	maintenance echelon 维护等级
随便看	gully erosion control forest gully erosion form gully erosion (gullying) gully grating gully gravure gully-gully gully-gut gully head drainage works gully head erosion gully head forward gully-head protecting works gully head protecting works gully head protection gully head protection works gullying gullyings Gully, John gully pit gully plugging gully(ravine) gully-squall gully squall gully stabilization structure gully-stabilization works gully trap 走遍天下人爱勤走遍天下路，吃遍天下亏走道不好，倒要学跑走邪路走野路走错了庙门，敬错了神走错庙门走错道儿走门子走阳关道 19376 19377 19378 19379 19380 19381 19382 19383 19384 19385