About the phenomenon of pipeline freezing, the statement is correct ( ).
The phenomenon of heating furnace fuel gas interruption, the description is wrong ( ).
The phenomenon of heating furnace fuel gas interruption, the description is wrong ( ).
The phenomenon of heating furnace fuel gas interruption, the description is correct ( ).
The phenomenon of heating furnace fuel gas interruption, the description is correct ( ).
The cause of the overpressure of the electric desalting tank, stated incorrectly is ( ).
The cause of the overpressure of the electric desalting tank, which is stated correctly is ( ).
The cause of the overpressure of the electric desalting tank, stated incorrectly is ( ).
The cause of the overpressure of the electric desalting tank, which is stated correctly is ( ).
The phenomenon of backflow with water at the top of the tower, the description is correct ( ).
The phenomenon of backflow with water at the top of the tower, the description is correct ( ).
The phenomenon of backflow with water at the top of the tower, the description is wrong ( ).
The phenomenon of backflow with water at the top of the tower, the description is wrong ( ).
Steam boiler feed water interruption phenomenon, the description is wrong ( ).
Steam boiler feed water interruption phenomenon, description is correct ( ).
