purifying apparatus造句

例句与造句

1. The company mainly deals with water - processing equipment ， air purifying apparatus ， design and turn - key project management etc
   公司集科研、开发、生产、销售、安装一条龙服务，并为客户提供交钥匙工程。
2. It's difficult to find purifying apparatus in a sentence. 用purifying apparatus造句挺难的