查询词典 drilling bit

A core drill bit consists of a steel tube with diamond segments brazed or laser welded on the drilling end.

核心钻头由一钢管或激光焊接金刚石钎环节就完钻。

is of importance to position finding of bit for orientational drilling.

在定向井钻进中，钻头的定位是至关重要的。

Is of importance to position finding of bit for orientational drilling.

摘要在定向井钻进中，钻头的定位是至关重要的。

In this paper, the drilling melt penetration, bit used and rocks drilled are introduced.

介绍了所用的钻进试验台、热熔钻头、所钻的岩石和钻进工艺。

Also it makes a prospects to the applied perspective of intelligent bit in drilling engineering for the twenty-first century.

对智能钻头在21世纪钻井工程中的应用前景进行了分析和预测。

According to this train of thought , have designed the four-axle first work drilling machine of bit alignment.

根据这一思路设计了四轴头多工位同步钻床。

It is proposed that economical performance of diamond bits be quan-titatively appraised by use of bit drilling cost .

并提出用钻头钻进成本定量地评价金刚石钻头的经济效果。

It started drilling a bit slower and slower.

它开始钻探有点慢，慢。

While drilling with PDC Bit,Some problems are come out when using the methods of traditional recorder well.

岩屑录井是在现场判断地层岩性的主要手段之一，当使用PDC钻头时就出现了许多问题。

The models are set up to represent shape of bottom hole that changes with bit drilling.

分别建立了三牙轮钻头和单牙轮钻头的动力学仿真模型。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。