Sinochem is one of the four national oil companies in China, operate in petroleum, fertilizer chemicals sects enjoys high prestige around the wld.是什么意思_Sinochem is one of the four national oil companies in China, operate in petroleum, fertilizer chemicals sects enjoys high prestige around the wld.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句