ANSI AWWA C104 - A21.4-22 球墨铸铁管和配件的水泥砂浆衬里
This document provides the comprehensive technical specifications for the cement-mortar lining applied to the interior of ductile iron pipes and fittings, as outlined in the American National Standards Institute (ANSI) and American Water Works Associ
2025-07-23
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