旋轉(zhuǎn)式鈷60放射治療儀 cobalt-60: 放射性鈷; 鈷60co; 鈷６０cobalt-60 therapy therapy with cobalt-60: 60co療法cobalt 60 source: 鈷60源cobalt-60 therapy: 60co療法teleradiotherapy with cobalt-60: 60co遠(yuǎn)距離放射療法下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
