短語詞組短語concentration discounting factor 集中折釦系數(shù)concentration multiplying factor 濃縮倍率strain concentration factor 應(yīng)變集中因子mass concentration factor 質(zhì)量濃度系數(shù)Stress s concentration factor 應(yīng)力集中系數(shù)pore pressure concentration factor 孔壓集中因子hole concentration factor 砲孔密集系數(shù)plastic strain concentration factor 塑性應(yīng)變集中系數(shù)stress concentration factor K 應(yīng)力集中系數(shù)K 返回 concentration factor