Mkpa nke valves na nhazi pipeline teknụzụ na-ebufe mmiri pipeline
Mkpa valvụ na pipeline imewe Pipeline mmiri na-ebufe teknụzụ N'ime sistemu ọkpọkọ mmiri, valvụ bụ ihe na-achịkwa nke ọrụ ya bụ ikewapụ akụrụngwa na sistemu ọkpọkọ, na-achịkwa usoro ịgba ọsọ, gbochie nlọghachi azụ, mezie na mwepụ. Bụrụ...
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