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[单选] As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?()

A . Compression ratio
B . Fuel/Air ratio
C . Compression pressure
D . Lube oil pressure

A diesel engine fails to start because of water in the fuelIn order to start the engine, you should ()? turn engine with jacking gear。 drain filters and strainers and bleed off water at each injection pump。 use ether to start the engine with blow-down valves open。 blow through the cylinders and fuel lines with a drying agent。 Word 2003中文版中,【页面设置】命令按钮的【页边距】选项框可以设置()与页面边界离,装订线位置及与页面边界的距离。 行间距。 页眉。 页脚。 字间。 Word 2003中文版能实现()。 多份打印。 双面打印。 缩放打印。 打印偶数页。 在WORD-2003中,编辑的文档能存为()类型的文件。 .ASP。 .DOC。 .FIC。 .HTM。 .RTF。 .WPS。 托幼机构教育质量的评价标准有()。 素质标准。 职责标准。 效率标准。 效果标准。 As engine RPM is increased from idle speed to full load speed, which of the conditions listed will decrease?()
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