Effectively prolong tool life and provide excellent surface finishing.
有效地保护及提供极佳的工件光洁度。
High speed, heavy cutting and difficult processing materials in the best assistants, can significantly improve the processing quality, prolong tool life, improve the production efficiency.
是高速、重切削以及难加工材料的最佳助手，可明显提高加工质量，延长刀具寿命，提高生产效率。
Application results indicate that the tool is safe, reliable and easy to operate and can effectively prolong well's life and reduce casing repair, casing patching or well workover in later stage.
现场应用效果表明，工具安全可靠、操作方便，能有效延长油井寿命，减少后期的修套、补套或修井工作。
Based on this, we may make improvement to prolong the life of screw drill tool and screw pump.
这一观点，有可能使螺杆钻具与螺杆泵的寿命短的现状有所改善。
The hook releaser in this two structures can prolong the service life of the sub-line, increase the fishing speed and protect the fish tool.
这两种结构的摘钩器使用时，具有可延长子线寿命，提高摘鱼速度，保护鱼护等优点。
The hook releaser in this two structures can prolong the service life of the sub-line, increase the fishing speed and protect the fish tool.
这两种结构的摘钩器使用时，具有可延长子线寿命，提高摘鱼速度，保护鱼护等优点。
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