Wire line flexible pumping rod is a coiled rod with sealingwire line.
钢丝绳柔性抽油杆是一种特种密封钢丝绳的连续抽油杆。
2
The dampproof masking liquid is easy to prepare, has low production cost, can greatly enhance the insulating property of the sealingwire holder and has good using effect.
本发明的防潮涂液制作简 单、生产成本低，可大幅度提高密封接线座的绝缘性能，使用效果好。
3
Usage: suitable for double coils open armature iron core sealing after wire embedded.