基本解释[土木建築工程]化學淨化廠英汉例句雙語例句In this paper, the methods of pectin extraction and purification from plant tissues, including chemical and biological methods, are introduced.本文綜述了從植物中提取果膠的各種方法，包括化學提取法和生物提取法。chemical purification plant更多例句专业释义土木建築工程化學淨化廠