问答题

油物质着火时，可用泡沫灭火器，干式灭火器灭火（）

A.正确
B．错误

答案： A.正确油物质着火时，泡沫灭火器和干式灭火器都是适用的灭火工具。泡沫灭火器通过产生泡沫覆盖在燃烧的油面上，隔绝空气，从而...

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单项选择题

进组运行过程中.主蒸汽温度必须高于气缸最高金属温度（）

A.50
B．35
C．40

Although there are differences between religious Taoist ideas and philosophic Taoist ideas, people can still find similarities between them such as both of them pay much attention to the harmonious relationship between man and nature, and both of them take Dao as their doctrine. The above statement is ( )

答案： True