单选题The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated （）Afor atomizingBfor centrifugingCin a storage tankDin the re-circulating line
单选题
The flash point of a residual fuel oil should be used to determine the highest temperature to which oil may be heated （）
A
for atomizing
B
for centrifuging
C
in a storage tank
D
in the re-circulating line
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