单词	entral band
释义	同filter-- entral band
随便看	composite of operand composite oil-exhaust gas fired boiler composite oil-fired exhaust gas boiler composite oil-fired/exhaust gas boiler composite operator composite optical waveguide composite ore deposit composite or synthetic crossing composite oxide catalyst composite (paper) can composite paper can composite paper can--composite can composite part composite particle composite parts list composite pattern composite permanent magnet composite phasor composite phosphor composite photograph compositephotograph composite picture signal composite pier composite pile composite piston