例句與造句

1. The company mainly deals with water - processing equipment ， air purifying apparatus ， design and turn - key project management etc
   公司集科研、開發(fā)、生產(chǎn)、銷售、安裝一條龍服務(wù)，并為客戶提供交鑰匙工程。
2. It's difficult to find purifying apparatus in a sentence. 用purifying apparatus造句挺難的