研究表明，采空区矸石弹性模数、支架刚度及初阻力是影响顶板动态的主要因素。
The study indicates that elastic modulus of the fallen rock in the goaf, the rigidity and setting load of support are the major factors that affect roof behaviour.
研究表明，采空区矸石弹性模数、支架刚度及初阻力是影响顶板动态的主要因素。
The study indicates that elastic modulus of the fallen rock in the goaf, the rigidity and setting load of support are the major factors that affect roof behaviour.
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