词汇	sign characters
释义	sign characters 记号字
随便看	material synthesis and processing technology material synthesis and processing tehnology material synthesis and technology material synthesis and working material synthesis and working technlogy material synthesis and working technology material synthetic and working technology material system material system arrangement material systems material sythesis and processing technology Material tailoring material taking machine material tardiness Material taught or learned Material,Teaching material technique material technology Material Technology Laboratory material tender inviting material term material test material test and analysis material test by eddy current material tester