单词：sulphur oxides
sulphur oxides的用法和样例：
例句
- The feasibility of a scrubbing process for the removal of sulfur oxides from factory flue gases is shown.证明了用洗涤法从工厂烟道中除去氧化硫是可行的。
- The direct reaction between sulphur dioxide and oxygen to give sulphur trioxide is slow and requires a catalyst.二氧化硫与氧气直接反应生成三氧化硫是很慢的，且需要催化剂。
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