() provides the head or pressure to supply the domestic water where required.
The domestic fresh water pump starters are controlled by pressure switches which operate when the pressure in the tank varies within predetermined limits as water is drawn offThe word “which” means ().
In a domestic fresh water system, the pump starters are controlled by () switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.
Domestic water pump is started automatically by () which operates as the water level falls to a predetermined level.
Domestic water pump is started automatically by () which operates as the water level falls to a predetermined level.
In a domestic fresh water system, the pump starters are controlled by () switches which operate when the pressure in the tank varies within predetermined limits as water is drawn off.
英译中:Domestic logistics
The word “domestic”(paragraph 1) is closest in meaning to ______.
In general, domestic flesh water tank kept under pressure by an external supply of ().
英译中:Domestic intercity trucking