短語詞組短語strata movement control 巖層控制strata movement control theory 巖層移動控制理論strata a control 地壓挖制multi -strata hierarchical control 多重遞階控制strata behavior and control 礦壓顯現(xiàn)及其控制rock strata control 巖層控制strata control observation 礦壓觀測strata control and support 巖層控制與支護 返回 strata control