A.expand
B.extract
C.increase
D.decrease
第1题
A.condenser
B.flashing device
C.lashing device
D.vacuum pump
第2题
A.15 / inlet value
B.15 / inlet and outlet value
C.30 / inlet value
D.30 / inlet and outlet value
第4题
A.low relative humidity is maintained
B.triple banded squirrel cage fans are used
C.air circulation is a maximum
D.high relative humidity is maintained
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