vapour-phase hydrodesulfurization

例句：

1. 1. The process of vapour-phase hydrodesulfurization is crucial for the environmental protection of flue gas.
   气相水脱硫过程对于烟气环境保护至关重要。
2. 2.The vapour-phase hydrodesulfurization technology has been widely used in the desulfurization of coal-fired power plants.
   气相水脱硫技术在燃煤电厂的脱硫中得到了广泛应用。
3. 3. The vapour-phase hydrodesulfurization process can effectively reduce the sulfur content in flue gas, which is beneficial for reducing air pollution.
   气相水脱硫工艺能有效降低烟气中的硫含量，有利于减少空气污染。