rotary drilling的例句大全

The research provides a firm foundation for promote the Rotary Drilling Rig's quality.

研究结果为进一步提高旋挖钻机质量奠定了基础.

XGR 18 type multi functional rotary drilling rig developed by basic company fill gaps in the province.

基础公司研制的XGR18型多功能旋挖钻机填补省内空白.

Top drives have played a major role in improving rotary drilling efficiencies.

滑动钻进提速,提升了井底控制能力.

Pneumatic DTH ( Down-The-Hole ) hammer is one of main pneumatic percussive-rotary drilling equipments.

风动冲击器是气动冲击回转钻进的主要设备之一.

Jamming often takes place during percussion rotary drilling.

用冲击回转式凿岩机凿岩时卡钎是经常发生的.

After reformation of drill pump, rotary table and drilling rod, the triple-men portable rig has achieved good results when drilling is in breed zone by netting box and other land areas.

对三人钻机的压水泵、转盘、钻杆部件进行改进后，三人钻机在围网养殖区以及其它陆上钻井时，都取得了良好的效果。

The equipments needed in nitrogen drilling construction such as compressor, nitrogen machine, booster compressor, rotary blowout prevention machine, and so on and their functions are introduced.

介绍了氮气钻井施工所需要的空压机、制氮机、增压机、旋转防喷器等设备及其功能；

Electrically driven rotary sidewall sampler ANALYSING DYNAMIC CHARACTERISTICS OF DRILLING STRING EDDY OF INSIDE CONTAINING DRILL FLUID

电动钻进式井壁取心器内含钻井液的钻柱涡动动力特性分析

LXT has high technical laser engraving and rotary engraving machines to provide engraving services for characters, pictures and photos, and shaping for drilling holes, round edge and cutting to any shape.

我们拥有高品质的激光雕刻（laser engraving）和旋转雕刻（rotary engraving）设备，能够胜任所有文字、图像甚至照片的雕刻，并且还可以完成打孔、圆边以及切割成任意的形状。