There was no difference between two groups in SDS scores and KMI scores before the trial (P>0.05).

开始治疗前，联合治疗组和对照组的SDS评分比较，差异无显著性（P>0.05）。

The KMI mission is to engineer, design and build paint & porcelain enamel finishing systems at a reasonable cost and within the project schedule.

KMI公司策划、设计和生产喷漆和瓷釉表层瓷漆系统，价格合理，保证在项目计划时间内完成。