I kēia lā, ua hoʻopau ʻia kahi pūʻulu o nā kīwaha butterfly i hana ʻia, ʻo nā kikoʻī o kēia pūʻulu o nā valves butterfly ʻo DN125, ʻo ke kaomi hana he 1.6Mpa, ʻo ka wai kūpono ka wai, ʻoi aku ka mahana kūpono ma mua o 80 ℃, ke kino kino. hana ʻia me ka hao ductile,...
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