单项选择题
为了保证化工厂用火安全,动火现场的厂房内和容器内可燃物应保证在百分之()以下。
A.0.1,0.2
B.0.2 ,0.01
C.0.2,0.1
D.0.1 ,0.02
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单项选择题
A.0.1,0.2
B.0.2 ,0.01
C.0.2,0.1
D.0.1 ,0.02
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