1) dental fissure bur
裂钻
1.
Effects of different sterilization methods on the corrosion of dental fissure bur;
不同灭菌法对齿科高速裂钻腐蚀的初步研究
2) drill-string partial accident
钻具断裂
1.
But,recently,drill-string partial accidents occurred frequently,and the accidents had brought out more security problems and large amount economic losses.
但是在近年来的气体钻井实践中,钻具断裂愈发频繁,带来了巨大的经济损失和安全隐患。
3) pre-splitting hole
预裂钻孔
4) drilling fracturing
钻井压裂
5) fracture drill tool
压裂钻具
6) stop hole
钻孔止裂
1.
Study on fatigue repair with stop hole techniques;
疲劳裂纹钻孔止裂技术研究
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