Engine operating conditions may be indicated by th
Engine operating conditions may be indicated by the color of the exhaust smoke Black smoke could indicate .
A.an insufficient speed droop setting
B.an overloaded engine
C.clogged drain holes in the oil control rings
D.complete combustion
请帮忙给出正确答案和分析，谢谢！
参考解答
457***779
2024-06-14 15:40:59
正确答案：B
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