单项选择题
A.by more than 5 percent
B.by less than 10 percent
C.to 95 percent
D.to less than 90 percent
单项选择题 Main diesel engine control can be obtained by the bridge （）
单项选择题 The camshaft drive is designed to maintain proper camshaft speed relative to crankshaft speedIn maintaining this relationship, the camshaft drive causes the camshaft to rotate at（）
单项选择题 The abbreviation ‘M/E’ is used to represent the（）