1. The invention solves the technical problems of more laboursome manual operation and short service life of the prior hydraulic tool.
此发明解决了现有液压工具手工操作较为费力、使用寿命短等技术问题。

来自互联网

2. The invention solves the technical problems of more laboursome manual operation and short service life of the prior hydraulic tool.
此发明解决了现有液压工具手工操作较为费力、使用寿命短等技术问题。

来自互联网