A na-eji valvụ ahụ meghee ma mechie pipeline, na-achịkwa ntụziaka na-asọpụta, gbanwee ma na-achịkwa paramita nke nnyefe nnyefe (okpomọkụ, nrụgide na ọsọ) ngwa ngwa pipeline.Dị ka ọrụ ya si dị, enwere ike kewaa ya na valve shutoff, valve valve, valve na-achịkwa, wdg Th ...
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