射線管(裝置)光閘tube: n. 1.管,筒;顏料管。 2.管狀地下隧道;〔口語(yǔ)〕( ...shutter: n. 1.百葉窗;護(hù)窗板;(照相機(jī)上的)快門,(光)閘; ...x: vt. (x-ed, x'd x-ing, x'ing) ...beam shutter tube shutter x-ray shutter: x線遮線器tube shutter: x線遮線器; 管子光閘下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯