stretching device

• 拉紧夹具,张紧装置

stretching device的用法和样例：

例句

1. The threaded internal fastener provides better adjustment of the assembly than a cam type clamping device.
   有螺纹的内紧固件与凸轮型夹紧装置相比可为组件提供更好的调节。
2. A locking device and a reverse counterboring tool bar are designed, their structure and working principle are introduced.
   设计了一种锁紧装置和一反锪孔刀杆，介绍了其结构原理。