安息角 meaning in English

angle of repose, αr
angle of rest
angle of test
natural angle of slope
repose angle

Determination of angle of repose of coal
煤炭安息角测定方法
Methods for physical performance determination of sandy alumina . determination of the angle of repose
砂状氧化铝物理性能测定方法.安息角的测定
Methods of dust character test - part 5 : determination of reposeful angle - poured angle of restrictive pile
粉尘物性试验方法第5部分：安息角的测定注入限定底面法
Chemical analysis methods and determination of physical performance of alumina measurement of the angle of repose
氧化铝化学分析方法和物理性能测定方法安息角的测定
Application of false - inclined flexible shield mining system in coal face with seam pitch less than rest angle of waste
伪斜柔性掩护支架采煤法在煤层倾角小于矸石安息角工作面的应用