The adjustable stop has a drill bit engagingmechanism to selectively lock the adjustable stop the drill bit at a desired location to limit the dept that the drill may penetrate into the bone.
In addition, the United States is engaging in the Trans-Pacific Partnership trade negotiations as a mechanism for improving linkages among many of the major Asia-Pacific economies.
除此，美国正在参与跨太平洋伙伴合作关系贸易谈判，并以此为机制改善许多主要亚太经济体之间的关系。
3
With the NetSquared Challenges, the community identifies workable solutions to problems they think need to be solved. And they have a clear mechanism for supporting and engaging with those projects.