短語詞組短語obscuration detector 減光火災(zāi)探測器obscuration scale 暗度刻度obscuration band 裝飾邊obscuration ? 朦朧obscuration cone 圓錐形盲區(qū)Light obscuration 不透光度;光透法obscuration coefficient 減光系數(shù);躼Degree Obscuration 食分obscuration interferogram 中心遮攔乾涉圖 返回 obscuration