将上一个工序留下来的PCB板进行机械钻孔(Mechanical Drilling ),根据流程卡和小白卡上的规定和要求进行作业。将PCB板固定在机器上后在电脑DNC里打测试孔、掉程序,找人确认OK后自己再检查下...
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以“听说教学法”为基础形成的教学模式是:机械性操练(Mechanical Drilling)——背诵(Reciting)——理解性操练(Comprehensive Drilling)——使用(Application) 在具体教学中,如我们阶梯英语的教学实...
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英语的操练可以分为机械操练(mechanical drilling),意义操练(meaningful drilling)和交际操练(communicative drilling)。
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thermal-mechanical drilling 热力机械钻井
oil field mechanical drilling 油田机械钻井
mechanical drilling rig 机械驱动钻机
thermo-mechanical drilling 热机碎岩钻进
mechanical drilling process 机械钻孔
mechanical drilling carriage 机械钻车
Full mechanical drilling jar 全机械随钻震击器
mechanical commutation drilling 机钻
drilling mechanical 钻井机械
The paper describes a new kind of raising assembly for mechanical drilling rigs.
文章绍了用于机械钻机井架起升过程中的一种新型起升装置。
By drilling hundreds of Wells, it is proved that those methods effectively improve well quality and mechanical drilling speed and are of great value to be applied.
数百口井的实钻证明:这些方法行之有效,使井身质量及机械钻速大大提高,具有极大的推广价值。
Ultra-high pressure water jet assisted mechanical drilling is known as one of the advanced and promising technology to increase drilling rate for deep oil and gas wells.
超高压射流辅助机械破岩钻井是提高深井钻井速度的一项前沿技术,关键技术包括井下增压器、超高压射流辅助破岩机理和钻头、超高压射流钻井参数和工艺等。
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