Flange na kasar Sin ya haɗa bawul ɗin malam buɗe ido na tsakiya a fagen kula da ruwa
Sin flange alaka tsakiyar layi malam buɗe ido bawuloli a fagen ruwa jiyya 1, Gabatarwa A cikin tsarin kula da ruwa a yau, flange na kasar Sin da aka haɗa bawul ɗin malam buɗe ido na tsakiya suna taka muhimmiyar rawa. An yi amfani da irin wannan nau'in bawul a cikin f ...
duba daki-daki