compound water metre

例句：

1. 1. The new compound water meter is more accurate than the old one.
   这款新型复合式水表比旧款更准确。
2. 2.The technicians are busy checking the compound water meters in the factory.
   技术员们正在工厂里检查复合式水表。
3. 3. The company has introduced a new compound water meter that can save energy and reduce costs.
   该公司推出了一款新的复合式水表，可以节省能源并降低成本。