Pehea ka maikaʻi o ka valve butterfly Kina? E kipa aku i ka hale kaulana kaulana VALVE mea hana LIKE VALVE
Ma ka ʻoihana valve o Kina, hoʻohana nui ʻia ka valve butterfly i ka petroleum, chemical, metallurgy, mana uila a me nā ʻoihana ʻoihana ʻē aʻe ma muli o kona ʻano maʻalahi, maʻalahi ka hana a me ka hana sila maikaʻi. Ma waena o lākou, LIKE VALVE, ma ke ʻano he ʻike maikaʻi ...
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