big hole perforator

 
  • 大孔眼穿孔器

big hole perforator的用法和样例:

例句

  1. This paper deals with the design, research and application of a kind of new technique on the big hole perforation in oil well and forming fissure in oil layer.
    论述了一种大孔径射孔造逢新技术的设计、研究及应用,该技术特别适用于稠油常规开采。
  2. Keywords liner;big hole perforator;EFP(explosive-formed-penetrator) theory;shaped-jet;
    粉末罩;大孔径射孔弹;爆炸成形侵彻体理论;聚能射流;
  3. He knocked a big hole in the wall.
    他把墙撞出了一个大洞。
  4. The hospital bills made a big hole in her savings.
    住院费花去了她一大笔存款。
  5. The hospital bill make a big hole in his savings.
    医疗费已用掉了他一大笔存款。
  6. The hospital bills made a big hole in his savings.
    医疗费已用掉了他一大笔存款。

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