stretching device是什么意思 stretching device怎么读
stretching device的用法和样例
- 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。 - 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。
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