超音波法液位元元元元元元测定
ultra-sonic method of liquid meaduremert
散布型燃料元件
dispersion type fuel element
element
dispersion-type fuel
棒束型燃料元件
cluster type fuel element
自立型燃料元件
free standing fuel element
组件燃料元件交换
assembly fuel element exchange
坍塌型包壳燃料元件
collapsed clad fuel element
包覆颗粒燃料元件
coated-particle (type) fuel element