【名词&注释】
现代柴油机(modern diesel engines)
[单选题]现代柴油机为使与其匹配的废气锅炉被设计得更加高效,应包括()。Ⅰ.利用大的受热面;Ⅱ.锅炉设计为扩展管表面;Ⅲ.燃气流速低
A. Ⅰ+Ⅱ
B. Ⅰ+Ⅲ
C. Ⅱ+Ⅲ
D. Ⅰ+Ⅱ+Ⅲ
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学习资料:
[单选题]During (), the starting air valves should be closed to prevent the engine from turning.
A. overhaul
B. running
C. blowing down
D. All of the above are correct
[单选题]With () unit the timing of fuel injection of an engine can be regulated automatically.
A. MBT
B. MEG
C. VSG
D. VIT
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