contact desulfurization

例句：

1. 1. The process of contact desulfurization is crucial for the cleanliness of the coal-firedpower plants.
   接触脱硫过程对于燃煤电厂的清洁至关重要。
2. 2. In this study, we investigated the effects of different types of desulfurization agents on the removal efficiency of coal-fired power plant flue gas.
   在这项研究中，我们探讨了不同类型的脱硫剂对燃煤电厂烟气去除效率的影响。
3. 3. The effectiveness of contact desulfurization technology has been widely recognized in the industry.
   接触脱硫技术在业界已被广泛认可其有效性。