安全壳设备冷却水回水箱
containment equipment cooling water return tank
水套水回水管接头
jacket water return connection
余压凝结水回水系统
back pressure condensate return system
白水回收系统
white water recovery system
闭式加压水回路
closed pressurized-water circuit
闭式凝结水回收系统
closed-type condensate return system
变动回水区
fluctuation backwater area
fluctuating backwater area
fluctuating backwater reach
varying backwater region
backwater area
变动回水区淤积
sedimentation in the fluctuating backwater region