A firebox explosion in an automatically fired auxiliary boiler may be the result of ________.
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题目介绍:
Afireboxexplosioninanautomaticallyfiredauxiliaryboilermaybetheresultof
________.,
excessive purging before lighting off?insufficient trail for ignition period?a faulty transformer in the ignition circuit?insufficient purging before lighting off? 本题为最佳选择题收录于二管轮题库中。
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