台阶试验评定指数缺陷性探讨的翻译：Step test study on the evaluation index of defects 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Defective step test of evaluation index

Step test study on the evaluation index of defects

Stair experiment evaluation index flawed discussion

level pilot assessment of deficiencies explore index

Step test study on the evaluation index of defects