“sulphur trioxide”的概念、定义、翻译、参考文献-科学参考

单词	sulphur trioxide
释义	sulphur trioxide Encyclopedia 工学三氧化硫释 sulphur trioxide三氧化硫分子式SO3，分子量80.063。又称硫酸酐。硫的高价氧化物，硫酸工业的产品之一。
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