roof tank meaning in English

天台贮水箱
屋顶水箱

Design of the double floating suction in 10 000 m3 inner floating roof tank
3内浮顶油罐双浮动吸油装置设计
Atmospheric fixed roof tank
常压固定顶油罐
Floating roof tank
浮顶油槽
Breathing valve shall be set on roof of the fixed - roof tanks ， which can make the tanks safe and reduce the loss of the stored liquids as evaporation
呼吸阀安装在固定顶罐的通风装置,起减少油品蒸发损耗,控制储罐压力的作用,它也可与阻火器联合安装使用。