1) back spotfacing machine
背锪孔钻床
2) spot-facer
锪孔钻
3) countersink drill
锪钻
1.
Improvement and optimization of titanium alloys countersink drill;
钛合金锪钻改进与优化设计
4) spot facing
锪孔
1.
Mechanism of dieder spot facing on sheet material was introduced.
介绍了在板料上进行双面锪孔的机理,通过对具体零件的分析,设计出合理的冲压成形工艺方案和模具结构,模具用于生产,产品质量和生产效率得到极大提高。
5) down-the-hole drill
钻孔钻床
补充资料：冻土钻(见取土钻)
冻土钻(见取土钻)
dongtuzuan冻土钻见取土钻
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条