前置重油供油系统
topping heavy oil supply system
先导油系统供油管路
pilot oil system supply line
独立供油系统
Independent oil supporting system
复合供油系统
Compound fuel supply system
集中润滑供油系统
central lubricating system
液压系统油油面
hydraulic system oil level
液压系统油油箱
hydraulic system oil tank
闭式热水供热系统
closed-type hot-water heat-supply system
闭式蒸汽供热系统
closed type steam heating system
宾馆热泵供热系统
hot water supplying system with heat pump
层别供热系统
single story heating system