Our business segments include Propylene Oxide and related products, Ethylene and derivatives / co-products, Inorganic Chemicals and Refining.是什么意思_Our business segments include Propylene Oxide and related products, Ethylene and derivatives / co-products, Inorganic Chemicals and Refining.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句