Nyochaa valvụ nchịkwa bụ ihe na-achịkwa n'ime usoro nnyefe mmiri, nke nwere ọrụ nke nkwụsị, nhazi, ntụgharị, mgbochi nke nlọghachi azụ, nkwụsi ike voltaji, ntụgharị ma ọ bụ njupụta na nrụgide nrụgide. Industrial akara valves na-bụ-eji na usoro akara na ind ...
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