A.Solar gain
B.Infiltration and ventilation air
C.Occupants inside the space
D.Entertainment equipment within the space
第1题
A.diameters of journals
B.deflections of crankwebs
C.diameters of crankpins
D.none of the above
第2题
A.increased engine breathing efficiency
B.excessive valve lash
C.excessive lube oil consumption
D.lower than normal fuel consumption
第3题
A.piston gudgeon pin
B.piston skirt
C.cross-head
D.cross-head pin
第4题
A.due to
B.owing to
C.results from
D.results in
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