化学结合...

Million - ton Ethylene Refining - Chemical Integration Project.百万吨乙烯炼化一体化项目....

chemical integration的音标：chemical integration的英式发音音标为：['kemikəl ˌɪntɪ'greɪʃən]chemical integration的美式发音音标为：['kɛmɪkəl ˌɪntɪ'ɡreʃən]...