?一次屏蔽
定义 中文名称：一次屏蔽 英文名称：primary shielding 定义：习惯上指反应堆堆芯的屏蔽。其将反应堆在功率运行时产生的中子和将辐射降低到周围设备、材料辐照损伤所允许的水平，或者在工作人员需要进入的部位使辐射降低到相应
?主屏蔽
... 主汽阀：main steam valve 主屏蔽：primary shielding 主平面：main plane ...
?初级屏蔽
... barrier shielding 护栅栏 primary shielding 初级屏蔽,初始屏蔽... shielding properties 屏蔽性能 ...
原级防护屏蔽
主要屏蔽
In the last few days, a media uproar has continued over suspicions that police are shielding a primary school head teacher and local government housing department official in Wanning city, Hainan.
BBC: China media: Taiwan measures against Manila
英汉双解词典包含3185865条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。