- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
If a diesel engine starts firing, but is unable to come up normal speed, either without load or even under a small load, the cause may be （）
A.insufficient fuel supply
B.faulty governor
C.high exhaust back pressure
D.all of the above may cause this problem
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