为了解决钻井漏失在处理过程中遇到的架桥材料较大而无法通过钻井泵滤网和钻头的问题,设计了一种旁通式堵漏材料送入工具。
During the drilling leakage treatment, the bridging material cannot pass through the drilling pump and drill bit due to its larger size.
主要对该线路高架桥的设计参数标准、材料、地质、设计特点及施工要点等作一全面分析论述。
For the viaducts of the line, a thorough description and analysis for the standard of design parameters, material, geology, main facts of design and construction is given.
主要对该线路高架桥的设计参数标准、材料、地质、设计特点及施工要点等作一全面分析论述。
For the viaducts of the line, a thorough description and analysis for the standard of design parameters, material, geology, main facts of design and construction is given.
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