英语词汇“coal roadway excavation”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	coal roadway excavation
释义	coal roadway excavation 基本例句煤巷掘进 Outburst prevention technique of excavating in coal seam will be directly concerned colliery safety production and excavates taking over.摘要突出煤层煤巷掘进防突直接关系到煤矿的安全生产和采掘接替。
随便看	ammonium hydrogen carbonate Ammonium hydrogen carbonate for industrial use ammonium hydrogen difluoride ammonium hydrogen fluoride ammonium hydrogen oxalate ammonium hydrogen phosphate ammonium hydrogen sjlfate ammonium hydrogen sulfate ammonium hydrogen sulfide ammonium hydrogen sulfite ammonium hydrogen tartrate ammonium hydrosulfide ammonium hydroxide ammonium hydroxide 26be ammonium hydroxide precipitation ammonium hydroxides ammonium hydroxide solution,diluted ammonium hydroxide solution,stronger ammonium hypophosphate ammonium hypophosphite ammonium hyposulfide ammonium hyposulfite ammonium hyrogen fluoride ammonium ichthosulfonate Ammonium-ichthyol