... 平埋头钻 flatcountersink 平钻, 扁钻 flat drill 平端面钻中心孔机床 spotfacing and centering machine ...
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Flexible Flat Drill Steel 挠性扁钢钎
twist flat drill 麻花平钻 ; 麻糖平钻
flat drill bit 扁钻头
ear poing flat drill 剑尖平锥
flat drill-bit 扁钻头
Wood flat drill 木工扁钻系列
twist t flat drill 麻花平钻
small flat drill bit 小扁钻头
The present technique is a new thin cutoff wall construction method by modifying the original method as to use flat drill bit instead of cross bit and adopt positive and negative circulating system.
冲切成槽薄壁混凝土防渗墙施工技术是在原冲击成槽建造防渗墙的基础上，对冲击钻头和施工工艺加以改进，用扁钻头代替十字钻头，用正反两种循环系统进行泥浆循环的一种新防渗墙施工方法。
It can also be seen in Fig. 12.2 that a core drill has flat end.
在图12.2中同样能看到，空心钻具有平坦的端部。
Reinforced back panel for a flat screen TV; no need to drill holes in the wall and cords can be hidden at the back.
加强型背板，可用来安装平面数字电视；无需在墙上钻孔，而且，可将电线隐藏在背面。
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