散射角fixed-scatteringangle spectrometer: 固定散射角能谱仪scatteringcoefficient: 散射系数scattering-type pressure gauge: 散射式电离压力计scatteringcro ection: 散射截面scattering-type pressure gage: 散射式压力计下载手机词典可随时随地查词查翻译