1) air-hammer drilling
潜孔锤钻井
2) DTH hammer bit
潜孔锤钻头
1.
The process,impacting concrete slab with tungsten carbide button of DTH hammer bit,was simulating calculated by non-linear finite element software LS-DYNA3D on concrete model,the effects of different target mesh sizes of concrete on impaction force,impact velocity and penetration depth was discussed.
潜孔锤钻头冲击钻进的过程是一个高度非线性、大变形、破坏的过程。
3) DTH drilling
潜孔锤钻进
1.
Difficulties are encountered in drilling in boulder formation are efficiently eliminated by using of a combined drilling technique which combines casing drilling with DTH drilling method.
本文介绍的采用套管钻进和潜孔锤钻进相结合的复合性钻进工艺 ,有效地解决了在卵砾石层中钻进的难题。
5) downing hole hammer with ream drilling and casting
潜孔锤跟管钻具
6) pneumatic down-the-hole hammer drilling
风动潜孔锤钻进
1.
Study of pneumatic down-the-hole hammer drilling applying to slide-resistant pile construction;
风动潜孔锤钻进用于抗滑桩施工的研究
补充资料：一锤
【一锤】
（譬喻）如锤之作器。以喻说法而开发众生之机也。祖庭事苑五曰：“锤当作椎。”椎，铁椎。智觉心赋曰：“如王索一椎之器。”
（譬喻）如锤之作器。以喻说法而开发众生之机也。祖庭事苑五曰：“锤当作椎。”椎，铁椎。智觉心赋曰：“如王索一椎之器。”
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