worm reduction gear

例句：

1. 1. The worm reduction gear is designed to reduce the amount of wastewater flowing into the river.
   蠕虫减少装置旨在减少流入河流的废水量。
2. 2.The worm reduction gear has been proven to be an effective way to control mosquito populations.
   蠕虫减少装置已被证明是控制蚊子种群的有效方法。
3. 3. The worm reduction gear was installed at the entrance of the sewage treatment plant to prevent the spread of diseases.
   蠕虫减少装置安装在污水处理厂入口处，以防止疾病的传播。