问题
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When there is a flame failure in an automatically fired auxiliary boiler, the _____.
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Failure of the burner flame in an auxiliary boiler would probably be a result of .A.water
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When does auxiliary burner of rotary nozzle incinerator begin to work? Iwhen igniting IIth
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When lighting off an auxiliary boiler, which of the problems listed could cause the burner
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If a fire occurs in the boiler room because of a leaking fuel line to a burner, you shut o
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When does the conversation take place?A.Before the semester begins.B.In the middle of the