英语语法分析

Ceftezole Sodium used in our country on 2002. The applied quantity of it increased rapidly but the manufacturer is few.

头孢替唑钠2002年开始在我国应用，用量逐年增长，目前国内生产厂家较少。

The invention relates to a cephalo class compound, in particular to a Ceftezole sodium compound which belongs to the technical field of medicine.

本发明涉及一种头孢类化合物，特别涉及一种头孢替唑钠化合物，属于医药技术领域。