英语词汇“production preparation of coal pits”的翻译、意思、用法、释义-英汉双解词典-注文网

单词	production preparation of coal pits
释义	production preparation of coal pits 矿井生产准备
随便看	active nucleus active nutation control active nutrient active nutritive period active obedience active object active oil calculation active one-port active only active open active operator active optical component active optical device active optical fiber active optical fibre active optical network active optical waveguide active optics active-optics active opto electronic protective device active orary active organic matter active orientation active or passive active output 管如今管得落花无管精金只是寻常铁管领风光处箧中有帛仓有粟箫声断箫声里箫管哀吟感鬼神箫管迎龙水庙前箫鼓哀吟感鬼神ツリ堀ツリ天井ツリ床ツリ忍ツリ手ツリ書キツリ棚ツリ橋ツリ球ツリ環