Terms containing top shielding

Subject	English	Chinese
el.	fuel pit top shielding slab	燃料水池上部屏蔽层盖板核
el.	top hat shielding	顶帽屏蔽【核】
el.	top shielding	顶部屏蔽【核】
tech.	top shielding	上部屏蔽
el.	top stepped shielding ring	顶部阶梯式屏蔽环【核】
gen.	top-hat shielding	圆筒顶部封闭的防护层