词汇	flat alley
释义	flat alley 平坦滚球道
随便看	composite organ Composite organic additive composite organic insulator composite organic-silicon composite organization of joint labor composite orifice Composite or mixed code page composite or synthetic crossing composite oscillator model composite overwrapped pressure vessel composite oxidant composite oxide composite oxide catalyst composite oxide film composite oxide layer composite oxide powder composite oxides composite-oxides composite oxide support composite package film composite packaging composite page composite palladium membrane composite pal signal composite panel