B4-72系列防爆離心通風機
b4-72xifangbaolixinfatongfengxitongji: yousipinggugufengpaiyanfengjichangchanliangdeb4-72xileifangbaolixinfatonggufengpaiyanfengjijibenshiweishihua、huagongchangruanjianxitongdeshengchanjiagong、shengchanjiagongdeyiranyibaoyiyiyihuifayiguiqibufengsongfengzhuanyongxiangshengchanshebei。beichuanshuyiguiqibuhanhuicengjiyingzhidekeliaowubingbuyishang150mg/m3。
