单选题Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the （）.Aair charge density becoming too highBpiston crown surfaces becoming too coldCformation of excessive quantities of condensateDcompression pressure being greatly reduced
单选题
Maintaining the lowest possible scavenging air temperature at all times is not recommended due to the possibility of the （）.
A
air charge density becoming too high
B
piston crown surfaces becoming too cold
C
formation of excessive quantities of condensate
D
compression pressure being greatly reduced
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