areal suction effectiveness

例句：

1. 1.The new vacuum cleaner has a much higher actual suction efficiency than the old one.
   新款吸尘器的实际吸力效率比旧款高很多。
2. 2. The engineer tested the actual suction efficiency of the new machine before it was put into use.
   工程师在机器投入使用前测试了它的实际吸力效率。
3. 3.The real-world performance of the product is often more important than its theoretical suction efficiency.
   产品的实际表现往往比理论吸力效率更重要。