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【简答题】
Fill in the blanks. A: Good morning, Miss Cai. B: ____1______, Miss Lin. It’s very nice to see you in person. Let me introduce my colleagues to you. This is my manager, Miss Cai. A: _____2_____? Miss Cai. B: _____3_____? Mr. Wang. Nice to meet you. B:And this is Mr. Cai. He is in charge of sales department. This is Miss Huang. She is _____4_____quality control department. A: _____5_____, Mr. Cai, Miss Huang. ......
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举一反三
【简答题】Look at the following picture. Please describe the working process of the fuel delivery system of an EFI system in English.
【简答题】设开环传递函数为【图片】，在根轨迹的分离点处，其对应的K值应为（）。
【简答题】2.
Which of the following is not included in the fuel injection system?A. air induction system B. fuel delivery system C. waste gas emission D. electronic control system
【单选题】The direct acting mechanical governor used with some small diesel engines, controls fuel flow to the engine by（）
A.
governor flyweight action on a pilot valve which controls fuel injection
B.
governor flyweight motion acting on fuel controls through suitable linkage
C.
positioning a butterfly valve in the fuel delivery system positioning
D.
a servomotor piston attached to the fuel controls
【单选题】Movement of the pump control rack in a fuel injection system using individual plunger-type pumps
A.
changes the position of the fuel inlet ports
B.
changes the length of the pump stroke
C.
varies the quantity of fuel delivered
D.
varies the compression of the delivery valve spring
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