updraught producer

例句：

1. 1. The updraftgenerator is designed to help farmers grow cropsin the highlands.
   这个上升气流产生器是为了帮助农民在高地种植作物而设计的。
2. 2. The updraft generator is anessential tool for maintaining clean air in industrialsettings.
   上升气流产生器是工业环境中保持空气清洁的必备工具。
3. 3. The updraft generator was installed in the factory toimprove airflow and reduce energy consumption.
   工厂安装了上升气流产生器，以改善空气流通并减少能源消耗。