| 1. | Open raise implies that building work is limited to the raise catwalk and the basis of a simple platform on which drilling personnel stand .
开放式天井，是指那些开挖过程中只需设置天井升降梯道及供钻工站立的简单基础平台的天井。 |
| 2. | Are there machinists in the oil - drilling group
4钻工钻井队有机械师吗？ |
| 3. | Is there any machinists in the drilling group
4钻工钻井队有机械师吗？ |
| 4. | Any machinists in the oil - drilling group
4钻工钻井队有机械师吗？ |
| 5. | Directional sidetracking techniques of marine deep wells in yudong area of west hubei province
鄂西渝东海相深井定向侧钻工艺技术 |
| 6. | At present , some have been approved by bores and pits , some have been proofed by geophysical prospecting information
目前，一些成果已被矿山坑、钻工程证实，有的已被物探资料所佐证。 |
| 7. | With the above - mentioned algorithm , positions of the pre - drilled holes for starting milling can be alternatively determined
利用本文提出的算法，用户可以灵活选择预钻工艺孔的位置，方便了加工编程。 |
| 8. | Meq603 - is a highly refined mineral oil blended with non - active sulphurised , chlorised ep additives and fatty oil . it is widely used on turning in automatic lathes , milling , drelling , gear cutting and grinding
是由精炼矿物油、非活性硫、氯化物极压添加剂及脂肪配制而成，适用范围极广，包括自动车床的车削、铣工、钻工、齿轮切削及研磨。 |
| 9. | Model lb fishing cup is a practical and effective tool . during drilling operation , it can be used to recover the heavier drilling cuttings or metal chips which are difficult to be lifted out of the borehole by normal drillig fluid circulation
它是用来捞取钻井过程中正常的泥浆循环无法带出井眼的较重钻屑或金属碎屑的一种实用有效的随钻工具。 |
| 10. | Foshan city nanhai lizuan industrial commerce co . , ltd . was established in 1999 , which is nearby the guangdong international packing and printing city , with beautiful surroundings and convenient transportation
佛山市南海力钻工贸有限公司，原佛山市锦信丝印器材有限公司，成立于1999年，现地处南海盐步东秀工业园，毗邻中国国际包装印刷城，环境优美、交通便利。 |
