单词	砾石垫
释义	砾石垫gravel mat
随便看	active matrix liquid crystal display active matrix liquid crystal display，amlcd active matrix organic light emitting diode active-matrix organic light-emitting diode active matrix organic light emitting display active matrix organic light-emitting displays active measurement active measuring instrument active medium active member active memory active memory cell active message processing active metal active meter active methionine active microresonators active microwave active microwave diode circuits active microwave remote sensing active migration active mirror active mixers active mode active mode locking