CB/T3726-19953.4C型调风门的结构型式和主要尺寸按图3及表4。DN图31一本体,2一调风板,3一轴,4一手柄表4mm调风门主零大了重量风管公称通径kgDNDR80780.2830100980.371251230.47401501480.561751730.75602001981.082502481.423002981.771003503482.334003982.85
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