Cooled air is ______ throughout the building. (U4-B) A: gone B: circulated C: chilled D: frozen
Cooled air is ______ throughout the building. (U4-B) A: gone B: circulated C: chilled D: frozen
Air entering an air-cooled refrigeration system is indicated by （）. A: frosting of the liquid line B: higher than normal head pressure C: a clear sight glass D: abnormally cold reefer boxe
Air entering an air-cooled refrigeration system is indicated by （）. A: frosting of the liquid line B: higher than normal head pressure C: a clear sight glass D: abnormally cold reefer boxe
Mercury freezes if it is cooled to＿.
Mercury freezes if it is cooled to＿.
On condition that the liquid is cooled still,_will turn to a solid.
On condition that the liquid is cooled still,_will turn to a solid.
The crankcase can not be opened （）the parts have been cooled down.
The crankcase can not be opened （）the parts have been cooled down.
There’s a feeling of unrest nowadays. A: in the air B: on the air C: by air D: in air
There’s a feeling of unrest nowadays. A: in the air B: on the air C: by air D: in air
4. From the control tower, air traffic controllers coordinate aircraft movement both ________ and on the ground. A: on the air B: in the air C: at the air D: of the air
4. From the control tower, air traffic controllers coordinate aircraft movement both ________ and on the ground. A: on the air B: in the air C: at the air D: of the air
智慧职教: Compressed air is supplied by air compressors to air receivers.
智慧职教: Compressed air is supplied by air compressors to air receivers.
Finally the chocolate is poured into molds, cooled, wrapped, and rolled off the assembly line in order to be shipped to consumers around the world.
Finally the chocolate is poured into molds, cooled, wrapped, and rolled off the assembly line in order to be shipped to consumers around the world.
An air waybill is used for air transport. It is an evidence of a ( ).
An air waybill is used for air transport. It is an evidence of a ( ).