单选题Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?（）AFire pointBFlash pointCSpecific gravityDviscosity
单选题
Which of the following fuel oil characteristics establishes the danger point when transferring, pumping, and firing procedures are concerned?（）
A
Fire point
B
Flash point
C
Specific gravity
D
viscosity
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解析：
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