英语词汇“classification of coal mining roof”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	classification of coal mining roof
释义	classification of coal mining roof 煤矿顶板分级
随便看	tunefulness TUNEL staining method tuneltype curing unit tunel type curing unit tunel vision tunemeister tune-mode thinking mode tune names tungfangensis tung fructification tunggalag nur Tunggong-ni tunghai Tu Nghia tunefulnesses tunein tune in tune-in tune in a directional beacon Tune Inconsistency tune in directional beacon tune in on tune in on the radio tune-in promotion tune in to