单项选择题
The figure that the volume of air at BDC is divided by the volume of air at TDC is termed as（）.
A.ignition ratio
B.power ratio
C.compression ratio
D.injection ratio
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相关考题
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单项选择题
The external circumference of a pair of main bearing shells is slightly larger than that of the bore of the housing which receives themThe difference is termed （）.
A.nip
B.nap
C.gap
D.lip -
单项选择题
The external circumference of a pair of main bearing shells is slightly （） that of the bore of the housing which receives themWhat’s the meaning of “that” in the sentence above?
A.less than
B.lighter than
C.larger than
D.smaller than -
单项选择题
The external circumference of a pair of main bearing shells is slightly （） that of the bore of the housing which receives them Whats the meaning of “that” in the sentence above？
A.less than
B.lighter than
C.larger than
D.smaller than
