16AWWA C153-19 Ductile-iron Compact Fittings AWWA C153-19 球墨铸铁紧凑型管件17AWWA B501-19 Sodium Hydroxide(Caustic Soda)AWWA B501-19 氢氧化钠（烧碱）18AWWA C652-19 Disinfection of Water Storage Facilities AWWA C652-19 蓄水设施消毒 19AWWA B102-15(R20) Manganese Greensand for Filters AWWA ...
41、poxy Lining of Water Pipelines, 3 In.(75 mm) and Larger 大于等于3英寸(75mm)水管的环氧内衬相应位置用喷雾器Pipe, LiningPipe RehabilitationC651-05Disinfecting Water Mains消毒总水管DisinfectionDisinfection of FacilitiesC652-02Disinfection of Water-Storage Facilities储水设备的消毒DisinfectionDisinfection of...