cavity◇空腔波导管 hollow-pipe waveguide; 空腔磁控管 cavity magnetron; 空腔辐射器 [热学] cavity radiator; 空腔加速器 cavity accelerator; 空腔滤波器 cavity filter; 空腔振荡器 cavity oscillator; hollow-space oscillator空: leave empty or blank; empty; ...腔: cavity; chambercdu空腔: cdu cavitytr空腔: tr cavity空腔,空穴: cavity下载手机词典可随时随地查词查翻译