multiple barrier concept造句

例句与造句

1. It mainly depends on which other barriers will be put in place according to the multiple barrier concept.
2. However, the publication of the WHO Guidelines on Reuse, with its multiple barrier concept, has gone a long way in establishing a common framework for safe reuse.
3. The multiple barrier concept to reuse, which is the key cornerstone of this publication, has led to a clear understanding on how excreta reuse can be done safely.
4. It's difficult to find multiple barrier concept in a sentence. 用multiple barrier concept造句挺难的