compensated gamma-ray chamber 补偿型伽吗射线箱

gamma compensated ion chamber 补偿电离室

gamma-exposure chamber 加马曝露室

gamma ionization chamber 加马游离腔

gamma-bucking ionization chamber 加马补偿游离腔

gamma-ray compensated chamber 加马射线补偿式游离腔

gamma compensated ionization chamber 加马补偿游离腔

chamber gamma-compensated 加马补偿游离腔

chamber gamma exposure 加马曝露室