When preparing an engine for running, the cooling water temperature should be _______.
A: kept at a proper level by a coole
B: aised to about 80℃ by a heate
C: aised gradually
D: lowered to about 60℃
A: kept at a proper level by a coole
B: aised to about 80℃ by a heate
C: aised gradually
D: lowered to about 60℃
C
举一反三
- A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water _____. A: around the engine B: around the coole C: to the expansion tank D: overboard
- About half an hour before the engine is required， cooling water at （） must be circulated.
- A three-way thermostatic control valve regulates the diesel engine cooling water temperature by passing a portion of the water _____.
- The cylinder jacket cooling water after leaving_______passes to the jacket water cooler and[br][/br]then into the jacket water circulating pumps. A: the jacket water coole B: the expansion tank C: the heat exchange D: the engine
- Temperature control valves installed in the jacket cooling water system of a diesel engine modulates the rate of water flow through the （）.
内容
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The pH value of water in a diesel engine closed cooling water system should be maintained between （）.
- 1
You should read about the topic on the internet when preparing for an academic lecture.
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中国大学MOOC: Read the following statements about preparing a resume. When you preparing a resume, you should:
- 3
11.When word came that the poor boy finally was accepted by Peking University, all the neighbors __________ in silence, for there have never been anyone admitted by a college. A: aised their voice B: aised money C: aised their eyebrows D: aised their hands
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Read the following statements about preparing a resume and tickle the ones which you agree. When you preparing a resume, you should：