A、a little lower
B、a little higher
C、too low
D、exactly the same
更多“If a cam-controlled engine has a normal injection pressure at rated speed,the injection pressure will be（）at slow speed.”相关的问题
A、A.It‘s none of your business. B、B.You‘ll get involved in it. C、C.Tim must be thinking about it. D、D.Well, if he can‘t control it, no one can.
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A、Data Table Control B、View Control C、Repeat Control D、Filter by category View Control
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A、A.engine operating speed B、B.an air manifold C、C.a hydraulic distributor D、D.individual cams and valve gear
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