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The experimental result shows that the influence of vent cowl on coke descending is regional, there is little effect on coke smooth descending. 實(shí)騐結(jié)果表明，風(fēng)帽對焦炭下降的影響是區(qū)域性的，對焦炭下降的順暢性影響較小。 web.cikd.cnki.net