gun perforation
短语词组
- Gun barrel perforation test 有枪身射孔试验
- Non -gun barrel perforation test 无枪身射孔试验
- method of gun perforation 射孔方法
- gun perforation position 射孔段
- perforation gun 射孔器
- wireline perforation gun 电缆射孔枪
- scalloped perforation gun 盲孔枪
- composite perforation gun 复合射孔枪 返回 gun perforation