When does auxiliary burner of rotary nozzle incinerator begin to work? Iwhen igniting IIth

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When does auxiliary burner of rotary nozzle incinerator begin to work? Iwhen igniting IIthe sludge for dealing with is too much IIIbefore stopping incinerator

A.I+II

B.I+III

C.II+III

D.I+II+III

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