Logging cable magnetic mark, as the standard of perforating depth, lays an important role in the exploration and development of oilfield.
电缆磁性记号作为测井射孔的深度标准，在油田勘探开发中占有极其重要的地位。
Shuttle commander mark Kelly thanked the ISS crew for their help after they successfully installed the Alpha Magnetic Spectrometer, which Kelly called "a remarkable thing for physics and for science."
航天飞机指挥官马克·凯利感谢国际空间站的全体人员对他们成功安装阿尔法磁谱仪之后的帮助，凯莉称阿尔法磁谱仪是“物理和科学上一个非凡的成就”。
The principle, characteristics and application of plastic electroplating mark, magnetic-controlled splash filming mark and branding mark are introduced.
概述了汽车塑料电镀标牌、磁控溅射镀膜标牌及烫印标牌工艺方法的原理、优缺点及应用范围。
The principle, characteristics and application of plastic electroplating mark, magnetic-controlled splash filming mark and branding mark are introduced.
概述了汽车塑料电镀标牌、磁控溅射镀膜标牌及烫印标牌工艺方法的原理、优缺点及应用范围。
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