英语词汇“us bureau of mines”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	us bureau of mines
释义	us bureau of mines n.美国矿务局
随便看	ballast aggregate ballast arrangement ballast arrival ballast arrival condition ballast attachment ballast ball ballast bed ballast bed finisher ballast bilgewater treatment system ballast bilge water treatment system ballast block ballast blown out ballast boat ballast body ballast bolt ballast bonus ballast box ballast branch pipe ballast bridge floor ballast built ballast capacity ballastcar ballast car ballast cargo ballast cargo goods