电动潜油离心泵
electrical submersible centrifugal pump
离心油泵性能
centrifugal pump performance
离心油泵主轴
main shaft of centrifugal oil pump
双壳体立式离心油泵
double-case vertical centrifugal oil pump
自吸式离心油泵
self-priming centrifugal oil pump
CO2热泵热水器
CO2 heat pump water heater
CO2 heat pump
采集凝固热热泵
heat pump with freezing heat collection
地热热泵系统
groundsource heat pump systems
geothermal heat pump system
地源热泵热水器
ground source heat pump water heater
二氧化碳热泵热水器
carbon dioxide heat pump water heater
CO 2 heat pump water heater
家用循环式热泵热水器
household cycling heat pump water heater
空调热泵热水器
air conditioning heat pump water heater
空气源热泵热水机
air source heat pump water heater
Air-source Heat Pump Water Heater
air-source hot-water heat pump
Air - source heatpump water hater
空气源热泵热水机组
air-source heatpump water heater
the air-source heat pump water heating equipments
Air source heat pump hot water unit
air source heat pump water heater unit
air source heat pump unit
Air-source Heat Pump Water Heater
Air source heat pump water heaters
the air-source heat pump hot water unit
空气源热泵热水器
Air-source Heat Pump Water Heater
ASHPWH
air source heat pump water heater
air source pump water heater
heat pump water heater
空气源热泵热水系统
air-source heat pump hot water system
Air-source Heat Pump Water Heater System