短語詞組短語factor r of safety 安全系數(shù);安全率safety factor factor of safety 安全系數(shù)factor of safety method 安全系數(shù)法normal factor of safety 常規(guī)安全系數(shù)global factor of safety 綜合安全系數(shù)ultimate factor of safety 極限安全系數(shù);級限安全系數(shù)FS Factor of Safety 安全系數(shù)local factor of safety 局部安全系數(shù) 返回 factor of safety