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

词汇	coal mine security management
释义	coal mine security management 煤矿安全管理
随便看	first harmonical first harmonic current first harmonic Fourier anaylsis first harmonic frequency first-harmonic measurement method first harmonic oscillation first harmonic resconance first-harmonic resonance first hatched larva first-head first head of triceps brachii muscle first head of triceps extensor cubiti muscle first hearing first heart sound first heart sound decrease first heart sound increase first heart sound, S1 first heat first heat of solution first heavy rainfall after fertilization first heir First his humble little shop became a smart one First,His power transforms us… First, His power transforms us… first hitting time