短語詞組短語gamma ionization chamber 加馬遊離腔gamma compensated ion chamber 補償電離室gamma compensated ionization chamber 加馬補償遊離腔gamma -bucking ionization chamber 加馬補償遊離腔compensated gamma -ray chamber 補償型伽嗎射線箱compe ated gamma -ray chamber 補償型伽嗎射線箱gamma a compensated ion chamber 補償電離室 返回 gamma chamber