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单选题
Those units and components are used to distribute oil throughout the engine, including front and rear pressure and scavenger pumps, sumps, strainers, valves, etc. Also includes those oil lines not included in Chapter 79.
A
这些组件和部件用于在整个发动机内分配滑油，包括前后增压和回油泵、油槽、油滤、阀门等，还包括第79章中未涵盖的管路。
B
用于在整个发动机中分配燃油的装置和部件。包括前后压力和清除器泵、集水坑、粗滤器、阀门等。还包括第79章中未包含的软管油管。
C
用于在整个发动机中分配机油的装置和部件。不包括前后压力和清除器泵、集水坑、粗滤器、阀门及第79章中未包含的软管油管等。
答案解析
正确答案：A
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