preparation techniques

• 制备工艺

preparation techniques的用法和样例：

例句

1. A preparation method of azlocillin sodium was established.
   本文报道阿洛西林钠盐的制备工艺。
2. ObjectiveTo study the preparation technology of Compound Safflower Dropping Pills.
   目的对复方红花滴丸的制备工艺进行考察。