dismounting device是什么意思

用法例句

Describe the problem of the traditional packing box in field application,and the structure and virtue of auxiliary stripping assembly of stem packing to the question.

阐述了常规阀门填料函在现场应用中存在的问题,以及针对此问题改进设计的填料辅助拆卸装置的结构、特点。