Unit open loop is for ( ).

The following is not the purpose of the unit performing the cold cycle is ( ).

When installing a closed loop, the pump that is not on is ( ).

Unit open cycle when the following process is correct is ( ).

The reason for replenishing oil during the thermal cycle of the unit is ( ).

In the process of startup the unit, due to the increase in temperature, it is generally turned on ( ) for oil replenishment.

Is to start the oil cooling cycle phase work is ( ).

Not starting the oil cooling cycle phase work is ( ).

The following are not units for cold cycling purposes are ( ).

The purpose for which the unit performs a cold cycle is ( ).

During the cold cycle of the unit, pay attention to controlling the liquid level balance of ( ).

Unit cold cycle process, precautions wrong is ( ).

During the cold cycle of the unit, pay attention to controlling the flow rate of ( ).

The problem found in "steam pressure test" must be dealt with before the unit is started.

You can tell by ( ) that the water has been removed during constant temperature dehydration.