英语词汇frictional rock bolt怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	frictional rock bolt
释义	frictional rock bolt 简明释义摩擦式锚杆专业释义 1 冶金工程技术摩擦式锚杆双语例句 1 Discrete element method is used to analyze the roof stability in accordance with the variation of its loading, rock frictional Angle, bolt spacing, rock properties and bolt orientation. 采用离散单元法，分析了当荷载、岩体的摩擦角、锚杆间距、锚杆方向和岩体的性质变化时，顶板的稳定性。
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