单选题The (auto)ignition temperature is that temperature atwhich（）.Ano spark or flame is required to ignite gas or vaporBa fuel begins to give off explosive vaporsCa fuel if ignited will continue to burnDa 1% mixture of the fuel with air will explode
单选题
The (auto)ignition temperature is that temperature atwhich（）.
A
no spark or flame is required to ignite gas or vapor
B
a fuel begins to give off explosive vapors
C
a fuel if ignited will continue to burn
D
a 1% mixture of the fuel with air will explode
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