BQG350/0.2气动隔膜泵

3寸的型号：BQG460/0.2BQG340/0.3BQG450/0.2BQG320/0.32寸的型号：BQG350/0.2 BQG250/0.3 BQG200/0.4 BQG125/0.45 BQG370/0.2 BQ

煤矿用风动泵井下污水处理BQG350/0.2气动隔膜泵