bullet perforation
常见例句
- Based in these, barrier thickness criteria for both YD-89 bullet conventional perforation and limited entry fracture treatment completion methods are suggested.
在此基础上提出了YD-89弹普通射孔和限流法压裂两种完井方式条件下的隔层厚度标准。 - The main part of the technique is the complex perforator, which is consisted of a small long-radial ratio and large perforation diameter bullet and a front chamber filled with san.
其核心部件是复合射孔器，由小长径比大孔径射孔弹和装有防砂材料和助推火药的前仓组成。 返回 bullet perforation