1) large diameter drill
大口径钻机
2) large diameter bit
大口径钻头
1.
The expert system for the design and proper use of large diameter bits is composed of the subexpert systems for the design and proper use of large diameter bits and a graphical data base.
大口径钻头设计与合理使用专家系统，由大口径钻头设计专家系统、大口径钻头合理使用专家系统、大口径电脑图库三部分组成。
3) large-hole drilling
大口径钻探
1.
Point to above mentioned problems, took the drilling operation in unusual deep water table and complicated strata in Shouyang area as an example, the paper described the technology, parameter choice and measures adopted during this large-hole drilling ope.
针对上述问题,以寿阳地区特深水位、复杂地层钻探施工为例,阐述大口径钻探施工的工艺、参数选择、以及采取措施。
4) large drill hole
大口径钻孔
1.
Drilling technology of the large drill hole in complex strata
复杂地层中大口径钻孔的施工方法
5) bighole drill
大孔径钻机
1.
Introduced about the principles and features of ZD150 type bighole drill and discussed the main facts for influnce on the highly quality of the drill hole.
介绍了ＺＤ１５０型大孔径钻机的工作原理及高质量钻孔的特征，论述了影响高质量钻孔的主要因素。
6) heavy calibre drill rod pipe
大口径钻杆管
1.
The technique and a series of phenomena in the trial production of the heavy calibre drill rod pipe were synthetically analyzed.
简述了钢管加厚时其塑性变形的原理,对大口径钻杆管加厚在试生产过程中所执行的工艺和伴随出现的一系列现象进行了综合分析,找出了产生缺陷的原因,提出了解决的方法,达到了降低成本、提高成材率并形成批量生产的目的。
补充资料：大口径钻机钻探
大口径钻机钻探
1260
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