- 搜標(biāo)題
- 搜題干
- 搜選項
單項選擇題
Which of the following statements represents the reason for rolling over a diesel engine with the cylinder indicator cocks open prior?（）
A.To test the starting system
B.To remove air bubbles from the jacket water
C.To ensure that the lube oil system delivers pressure
D.To ensure foreign material (water etc) is not present in the cylinders
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