The transplanted material seemed to kick the stem cells to a high gear for self-renewal, essentially taking over the production of muscle cells.
移植的物质似乎刺激了干细胞，使它更快速地自我修复，基本取代了肌肉细胞的产生。
2
The device by the human operator launches, such as through the cone-shaped gear reducer drive, direct drive valve stem up and down movement of the valve gate.
本装置由人力操作手轮，通过锥形齿轮等减速传动，直接驱动阀门阀杆上下移动，启闭阀门。
3
Align adapter bushing or gear operator (3) bore with valve stem (5).