high pressure water system pump 高压水系统泵

closed cooling water system pump 闭路冷却水泵

Upgraded water pump system 升级的深层补水系统

water source heat pump system 水源热泵系统

heat pump hot water system 热泵热水 ; 热泵热水系统

water loop heat pump system 水环热泵系统

water-source heating pump system 水源热泵

air-water heat pump system 空气水热泵系统

Water Ring Vacuum Pump System 水环泵机组