Kākoʻo maikaʻi ʻo China ball valve: ʻano maʻalahi, hoʻopaʻa maikaʻi a pēlā aku
ʻO ka nānā ʻana i ka maikaʻi o ka ball valve Kina: ka hana maʻalahi, ka hoʻopaʻa ʻana maikaʻi a me nā mea ʻē aʻe ʻo Ball valve he mea hoʻohana maʻamau ka hoʻokele wai, kona ʻano maʻalahi, hoʻopaʻa maikaʻi a me nā pono ʻē aʻe e hoʻohana nui ʻia i ka petroleum, chemical, metallurgy, electric pow...
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