PUD造句怎么写

3、In order to improve the performances of PUD film, the PUDs were crosslinked by aziridine derivatives and polycarbodiimide, respectively.

5、为提高PUD涂膜*能，采用氮*啶和聚碳化二亚*对其进行交联改*。

2、OBJECTIVE: To investigate and objectively evaluate the situation and trend of the drugs for PUD in 47 hospitals of Shanghai.

1、绝对华丽和美丽的PUD是阿卡迪亚学区。

4、Analysis of the Use of the Drugs for Peptic Ulcer Disease (PUD) in Shanghai Area During the Period of 2000 ～ 2003