单词	ballast profile
释义	ballast profile 碴床断面
随便看	coaxial two-catheter system coaxial two-wheeled electric vehicle coaxial type co-axial type coaxial type detector coaxial type electronic flash unit coaxial type helicopter co-axial type module coaxial type resistance coaxial-type starting motor coaxial type thermistor mount coaxial type watt meter coaxial uniguide coaxial unit coaxial valve coaxial variable attenuator coaxial variable direction coupler coaxial video amplifier coaxial vircator Coaxial vircator oscillator Coaxial virtual cathode oscillator Coaxial virtual cathode oseillator coaxial wall coaxial water-turbine pump coaxial waveguide