After the modification of step feed mechanism of deep drill combined machine tool, simplifying structure, convenient adjustment and reducing fault rate have been proved.
对深孔钻屑组合机床分级进给机构进行改进后，达到了简化结构、方便调整、减少故障的目的。
Combined with engineering example the characteristics of auger drill and construction defects for special strata are discussed.
结合工程实例，论证了旋挖钻机的特点及在特殊地层的施工缺陷。
Combined with theory, we thought of the respond work principle to emergency, pre - arranged planning, drill and related policy.
文章结合理论，对企业在突发事件中应对媒体的工作原则和应对突发事件的预案、演练及相关策略进行思考。
Combined with the fixture design of diesel components, it also introduces the experience in design of the drill jig.
介绍了盖板式钻模的设计要点，并结合柴油机零件的夹具设计，简述了盖板式钻模的设计体会。
According to the analysis, it is showed that drill bit design should be combined with hydraulic character of the flow field.
分析表明，钻头的设计应当充分结合其水力学特性进行，对此本文给出了所计算钻头的优化设计建议。
The utility model relates to a combined flaw detection transporting device for a drill stem or a pipe joint, particularly a curved combined flaw detection transporting device.
本实用新型涉及钻杆或导管接头的探伤检验组合输送装置，尤其涉及曲线式探伤检验组合输送装置。
The process, features, performance of infiltrated layer and its application to rock drill of QPQ Combined Salt Bath Treatment Technology are described in the article.
文章介绍了QPQ盐浴复合处理技术的工艺方法、特点、渗层性能及在凿岩机上的应用情况。
The process, features, performance of infiltrated layer and its application to rock drill of QPQ Combined Salt Bath Treatment Technology are described in the article.
文章介绍了QPQ盐浴复合处理技术的工艺方法、特点、渗层性能及在凿岩机上的应用情况。
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