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作者采用指标体系加权评分法,对国产钻机传动链条和国外同类型产品进行了综合评价,得出结论:新研制的高性能钻机传动链条(1 1/2″和2″)产品,已接近或达到世界先进水平。
The authors use the weighted index method of index system to make a comprehensive evaluation of domestic drive chain and similar foreign products and conclude that the newly developed drive chain of high performance drilling rig (1 1/2 “and 2”) is close to or Reached the world advanced level.