ʻO ka mea lawelawe ʻo China valve valve: E wehewehe i ke kūlana ʻoihana me ka lawelawe maikaʻi loa ma hope o ke kūʻai aku
Me ka hoʻomohala wikiwiki o ka ʻoihana, ʻoi aku ka nui o ka hana o ka ʻoihana valve, ʻoi aku ka nui o ka valve check, ʻaʻole e hoʻohaʻahaʻa ʻia kāna kuleana i ka ʻōnaehana pipeline. Eia naʻe, ʻaʻole hiki ke hoʻokaʻawale ʻia ka huahana maikaʻi loa mai ka qua...
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