单选题What is it called when it is possible to ignite the vapour above the oil?（）AFlash pointBBoiling pointCIgnition pointDPour point
单选题
What is it called when it is possible to ignite the vapour above the oil?（）
A
Flash point
B
Boiling point
C
Ignition point
D
Pour point
参考解析
解析：
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