查询词典 drilling

Proper well planning requires the hydrostatic head of the drilling fluid to overbalance the formation pressureby a certain safety margin.

合适的钻井计划需要使水面保持在一个确定的安全落差来平衡掉地层压力。

Drilling,seismic,logging and testing data have indicated that,Carboniferous and Permian in the east of Jiyang and Linqing in the Bohaiwan Basin are mainly composed of a set of neritic carbonate platform facies limestone as well as barrier-lagoon,tidal flat,paludal and deltaic facies terrigenous clastic rock and coal bed.

钻井、地震、测井及测试资料综合研究认为：渤海湾盆地济阳—临清东部地区石炭—二叠系主要发育一套浅海碳酸盐岩台地相灰岩、障壁—潟湖、潮坪、沼泽及三角洲相陆源碎屑岩和煤层。

10 Million would go to drilling for water and regoing regrowing paster land.

1亿美元用于钻井取水和重建牧场。

Majority of customers should be asked, I plant with other supplies room, close cooperation with the manufacturer, to produce a variety of design modeling elegant, innovative, with rich traditional culture of Wenfangsibao, T linked Bijia, pen holder, Zhen Zhi, such as word-drilling Products, not only their favorite painting and calligraphy circles, the supplies, is also the party and government organs, enterprises, foreign trade enterprises of the festival gifts, but also beautify the home gifts commander, and relatives to share the first-class.

应广大顾客要求，我厂与其它文房用品生产厂家密切合作，又设计生产出了各种造型高雅，新颖，具有浓郁传统文化气息的文房四宝，笔挂、笔架、笔筒、镇纸、字钻架等产品，它们不但是书画界人士钟爱的文房用品，也是党政机关、企事业单位、外贸企业的庆典活动礼品，更是美化家居馈赠师长、亲人的上等佳品。

By analyzing drilling parameters, comparing with the pattern penetrability, can get the relative rock properties for further process.

本文提出了基于模糊聚类分析的岩性识别方法，应用破碎比功对岩石进行分类。

In 2004,the company has developed WEGOT series curtain-wall equipments such as the tri-axial, pentahedral aluminum curtain-wall processing line, aluminium and pvc plate cutting machine, connecting corner cutting machine, new type double head, single head minute cutting saw, the four-head corner combination machine CNC, cutting saw CNC, improved type of multi-head combination drilling machine etc.

2004年，天辰铝机公司又引进国外先进技术，开发出"威高特"系列幕墙加工设备、三轴五面铝幕墙加工中心、铝塑板切割机、角接口切割机、新型双头精密切割、单头精密切割锯、数控四头组角机、改进型多头组合钻床等，其中，WEGOT幕墙加工中心已通过省级鉴定，产品性能接近于同类进口设备，其性价比高，填补了国内空白。

The machine Equipped with chain-type tool changer which can process pentahedron, milling, boring, drilling and reaming during once clamping.

配置刀库，可一次装夹工件进行铣、镗、钻、攻等工序加工，自动化程度高。

The percussive drilling technology was born in 18th century in Europe.

在18世纪，冲击钻井技术在欧洲诞生。

The present invention relates to a rock drill bit (1) for percussive drilling.

本发明涉及用于冲击钻孔的岩石钻头(1)。

The present invention relates to a drill bit intended for percussive rock drilling.

本发明涉及一种用于冲击岩石钻孔的钻头。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。