If a camshaft-less engine has a normal injection pressure at rated speed, the injection pressure will be at slow speed（）<br>A:too low<br>B:a little lower<br>C:a little higher<br>D:exactly the same

If a camshaft-less engine has a normal injection pressure at rated speed, the injection pressure will be at slow speed（）
A:too low
B:a little lower
C:a little higher
D:exactly the same

出自：海船船员证

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