型号除尘风量m3/h过滤面积m2引风机功率kwLT-43000605.5LT-860001207.5LT-12900018011LT-161200024022LT-241800036022LT-322400048030LT-362700054037LT-403000060037LT-483600072037LT-564200084045LT-645600086045)