单项选择题
A.rise B.fall C.be maintained constant D.None of the above
If the capacity of the refrigeration compressor is too ...
单项选择题If the capacity of the refrigeration compressor is too small, the excess vapor will accumulate in the evaporator, causing the pressure to （）.
A.rise B.fall C.be maintained constant D.None of the above is true
In the refrigeration compressor the temperature of the ...
单项选择题In the refrigeration compressor the temperature of the vapor is （） by compression.
A.raised B.risen C.reduced D.maintained constant
It should be ensured that only （） vapor is handled by t...
单项选择题It should be ensured that only （） vapor is handled by the refrigeration compressor.
A.humidity B.dry C.steam D.oil
