eyelet

1.The machine can automatically punch or continuously punch and rivet eyelets. The punching and eyeleting can be finished once.

机具有单或连续钉鞋眼、冲孔、眼一次自动完成。

2.While conducting hydraulic fracturing, the flow rate is required to be controlled to enable the hall-off to block off and uncord the eyelet based on the stimulation process.

封堵球分层时，为了使暂堵球按照工泵注程序对射孔孔眼进行封堵和解封，需要对工的泵注排量提出要求。