ST34法兰连接直流式T型过滤器T型过滤器主要尺寸:DNLHH1有效过滤面积m2502781663060.0039653141873480.0053803422053840.00791004182464730.01331254602705290.02041505002925810.02732005883406940.04622506903982810.06993007924529490.100135085248510230.120540097054711660.1585500114864213720.2438)