MTZ77S绳索取心冲击回转钻具THE STUDY OE MTZ77S WIRELINE CORING PERCUSSION ROTATION DRILLIG TOOL
周新莉
摘要(Abstract):
介绍了钻具的结构、工作原理、技术规格、性能指标和使用效果。
It introdnial the spercture .re, operation princuple, techni al specifications, performance index and operating results of MTZ77S wireline coring percussion rotation drilling tool.
关键词(KeyWords):
基金项目(Foundation):
作者(Author):
周新莉
参考文献(References):
文章评论(Comment):
|
||||||||||||||||||
|