Based on geological, geochemical and geophysical data and ore-forming condition anasis, it is proposed that the deposit belongs to "hot water sediment-structural innovation" type.
文章综合矿区已有地物化资料，通过对矿床成矿条件研究，认为矿床属“热水沉积—构造改造”成因。
The author advances some ideas of structural innovation based on the analysis of its main weak points, and introduces the distinguishing features of the first rig specimen modified by …
本文分析了这种钻机主要缺陷，提出了改造的设想，并介绍宝鸡石油机械厂第一台改造样机的特点，可供油田和各有关部门参考。
The author advances some ideas of structural innovation based on the analysis of its main weak points, and introduces the distinguishing features of the first rig specimen modified by …
本文分析了这种钻机主要缺陷，提出了改造的设想，并介绍宝鸡石油机械厂第一台改造样机的特点，可供油田和各有关部门参考。
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