The bottom hole pattern of a well is the aggregation of the pits on the bottom rock cut by the bit teeth in the course of drilling.
井底模式就是钻头在钻凿岩石的过程中，钻头牙齿在井底岩石上打出凹坑的集合。
Glaciers may form in permanently cold areas, and these slowly moving masses of ice cut out valleys, carrying with them huge quantities of eroded rock debris.
冰川可能形成于长期寒冷的地区，而这些缓慢移动的冰块切割了山谷，带走了大量被侵蚀的岩石碎片。
Its sheer rock sides sweep up from a broad base until they cut off abruptly at the flat summit.
它陡峭的岩石边从一个宽阔的基地上拔地而起，直到在平坦的山顶下突然被切断。
The ordinary raindrop is a mighty earth mover with sufficient strength to cut rock.
普通的雨珠力能移地，其力之大足以切割岩石。
She has been decapitated, had her arm cut off, been painted as well as blown off her rock.
她的头和胳膊曾被人砍落，曾被人涂上颜色，也曾被从雕像底座的岩石上吹落。
Once upon a time there lived a stone-cutter who went every day to a great rock in the side of a big mountain and cut out slabs for gravestones or for houses.
从前有一位切石匠，他每天都会来到一座大山旁边的巨石前，切割下一块块的石板用以制作石碑或建造房屋。
Cutting each piece takes three workers (one holding the re-bar being cut in place over a rock, one hitting, one watching) two minutes.
弄断每根钢筋需要三个工人(一个人拿着钢筋抵在石头上，一个人敲击，一个人在旁边看着)，这个过程需要两分钟。
I found that in 1933, when the stock market hit rock bottom, magazine publishing, newspaper publishing and book publishing all were cut in half.
我发现当股市在1933年触底时，报刊、杂志和书籍的出版量也随之下降了一半。
This stone is actually quite rare and difficult to cut, so in many cases other types of rock were used as substitutes, for example green feldspar, basalt, and serpentine.
这个石头实际上相当稀罕和难于切割，因此在许多情形里其它类型岩石被当作代用品使用，例如绿长石，玄武岩和蛇纹石。
Nearby is the colossal 12th-century Sitting Buddha 120 m. high. It is cut of the rock face overlooking the Min River.
附近一尊巨大的12世纪的坐佛，120米高。它是由一块俯瞰岷江的岩石雕刻而成。
A river cutting a valley may cut through a water table and the non-porous rock beneath it.
穿过山谷的河流，可能穿过地下水位和它下边的不渗透岩石。
It will lengthen as a result of headwater erosion and thereby will cut a valley through both hard and soft rock.
由于向源侵蚀的结果，它不断延长并且穿过软硬岩石从中切出一条河谷来。
This stone is quite rare and difficult to cut, so in many cases other types of rock were used as substitutes, for example green feldspar, basalt, and serpentine.
这个石头实际上相当稀罕和难于切割，因此在许多情形里其它类型岩石被当作代用品使用，例如绿长石，玄武岩和蛇纹石。
The Persian Faravahar is carved on the rock-cut tombs of the Achaemenid Kings at Bisetoon in Iran, and varies from one carving to the other.
波斯人的法拉瓦哈图案雕刻在石制的阿切曼尼国王坟墓上，位于伊朗的贝撒顿里，这些雕刻各有不同。
The tool used to crush or cut rock.
用于粉碎或切割岩石的工具。
In addition, it is also forbidden to cut into a mountain for rock and build a house with rocks, or bad things will happen to the crops.
另外，开挖山体和用是头建造房子也是被禁止的，否则会有不好的事情发生在农作物上。
Research purpose: as a main tool to cut rock, disc cutter was mainly assembled on cutting wheel of TBM, mixed shield and rock shield.
研究目的：盘形滚刀是一种重要破岩刀具，主要用在掘进机(TBM)、复合式盾构及岩石盾构的刀盘上。
The stability of the surrounding rock masses of finishing cut is analyzed systemically and its support design is optimized by numerical simulation with RFPA2D.
采用岩石破裂过程分析软件RFPA2D系统，对收作眼围岩稳定性进行了数值计算与分析，并对其支护设计方案进行了优选。
Similarly, try jumping your feet around on steep rock, letting both of them cut loose and using the momentum of yourng (rather than your stomach muscles) to reposition them.
同样的，有时在悬崖上松弛双脚，借助摆荡的动能去控制，胜过使用腰腹力量。
At the macro-scale natural rock is cut by a variety of geological structures (joints, faults and weak-side).
在宏观尺度上天然岩体又为多种地质构造面（节理、断层和弱面）所切割。
A certain large gently inclined cut slope was destructed by its rock slope failure due to top soil sliding.
某大型缓倾陡节理路堑边坡，在上部薄表土滑动作用下岩质坡体倾倒破坏。
Masonry materials in common use today include rock, brick, quarried and cut stone, concrete block and design element, and poured concrete.
常用砌体材料，今天包括岩石，砖，采石场和石材切割，混凝土砌块和设计元素，并浇混凝土。
Let's meet each other half way. I'll cut another 5%. That's definitely my rock bottom price.
我们来折中一下吧。我再降5%。这绝对是非常低价格了。
The application of ribbon charge (placed in tunnel)in twin slope - cut chamberblasting can weaken the damage to slope rock from blasting.
在双路堑洞室爆破中应用条形药包可以减少爆破对边坡岩体的损伤。
He fell on a rock and cut his head open.
他跌在了一块石头上，把头给跌破了。
The paper introduces a fitting method between water jet and PDC bit tool, that is, aid bit tool cut rock while water jet is directed from suitable location of bottom of bit tool.
介绍了一种射流与PDC刀具的配合方式，即水射流位于刀具底部适当位置辅助刀具切割破碎岩石。
The paper introduces a fitting method between water jet and PDC bit tool, that is, aid bit tool cut rock while water jet is directed from suitable location of bottom of bit tool.
介绍了一种射流与PDC刀具的配合方式，即水射流位于刀具底部适当位置辅助刀具切割破碎岩石。
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