In the mudstone slipping beds containing grinding grains may possess a sealing effect through systematic analyses of the samples, and it is fully proved in the North Shanxi oil-gas field.
泥岩中含磨粒滑移层具有涂抹效应，起到油气封盖作用，这在陕北油气田已得到了验证。
Systematic analyses and studies of physical and mechanical properties are made on tailings test results in Lanping Lead-Zinc Mine of Yunnan province.
本文结合云南省兰坪铅锌矿尾矿料的大量物理力学性试验成果进行了系统的分析研究。
Systematic analyses are made on the realization of engagement at the controllable point and on the curved surface equation of point engaged sphere-conical roller arc surfaced indexing cam mechanism.
还系统地分析了可控点啮合的实现及点啮合球锥滚子弧面分度凸轮机构的曲面方程。
Systematic analyses are made on the realization of engagement at the controllable point and on the curved surface equation of point engaged sphere-conical roller arc surfaced indexing cam mechanism.
还系统地分析了可控点啮合的实现及点啮合球锥滚子弧面分度凸轮机构的曲面方程。
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