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【单选题】
气缸中活塞运动一个行程所扫过的容积称为______。A.
气缸工作容积
B.
燃烧室容积
C.
气缸总容积
D.
发动机排量
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【单选题】Directions： There are 10 blanks in the following passage. For each blank there are four choices marked A), B), C) and D). You should choose the ONE that best fits into the passage.Remember back to whe...
A.
reward
B.
recall
C.
reflect
D.
remind
【简答题】The 11 began during my first week at college. I watched as the ASL Club 12 their translation of a song. Both the hand movements and the very 13 of communicating without speaking 14 me. What I saw was ...
【单选题】Dirt should not be allowed to contaminate a grease lubricant because the _____.
A.
dirt will cause corrosion of bearing
B.
bearings will leak oil excessively
C.
dirt is very abrasive when mixed with grease
D.
grease will become inflammable
【单选题】Directions：There are 10 blanks in the following passage. For each blank there are four choices marked A), B), C) and D). You should choose the ONE that best fits into the passage.Remember back to when...
A.
volume
B.
bulk
C.
proportion
D.
amount
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