The ticker tape machine began to throw out tape. automatic reperforator switching 自动收报机已开始工作。自动复凿机转换开关
Fully automatic reperforator switching hydraulic automatic control system 全自动复凿孔机交换制
Under the same formation conditions, the application effect of dual reperforator is much better than that of the conventional perforator and has fracture effect. 在相同地层条件下,双复射孔器的应用效果明显优于普通射孔器,并具有压裂效果。