是指火花塞电极跳火开始时到活塞上行至上止点时曲轴转过的角度。
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1This house is ( ) that one.
A. big
B. bigger than
2His hair is () than hers.
A. long
B. longer
3Shanghai is one of () cities in the world.
A. most expensive
B. the mostexpensive
4Alaska is () state in the United States.
A. larger
B. the largest