leakfree造句

例句与造句

1. abstract ： leakfree pumping technology has developed rapidly in the recent years due to increasing demands concerning the reliability and safety and more and more stringent anti-pollution regulations
   摘要：由于日益增长的可靠性和安全性要求，以及愈加严格的环保法规，无泄漏泵送技术近年来得到了迅速发展。
2. It's difficult to find leakfree in a sentence. 用leakfree造句挺难的