synthetic ammonia installation

例句：

1. 1. The factory has installed a new synthetic ammonia plant to improve efficiency.
   该工厂已安装一个新的合成氨装置以提高效率。
2. 2. The chemical company has been working on developing a more efficient synthetic ammonia generator.
   这家化工厂一直在努力开发一个更高效的合成氨发电机。
3. 3. The engineer designed the installation to ensure maximum safety during operation.
   这位工程师设计了这一装置，以确保操作过程中的最大安全性。