问题
单项选择题
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
答案
参考答案：A
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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
参考答案：A