将采场顶板简化为岩梁模型，岩梁的最大拉应力及其极限跨距是采矿工程涉及到的两个重要参数。
The roof in working areas is simplified as rock beam, the maximum tensile stress and limited span of rock beam are important in mining engineering.
将采场顶板简化为岩梁模型，岩梁的最大拉应力及其极限跨距是采矿工程涉及到的两个重要参数。
The roof in working areas is simplified as rock beam, the maximum tensile stress and limited span of rock beam are important in mining engineering.
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