短語詞組短語control interval level 控制間隔層次control -level properties 控制級屬性flood control limiting level 防洪限制水位;汛限水位Control l level 控制層級flood control limited level 防洪限制水位Flood control water level 防洪水位flood control limitation level 防洪限制水位control water level determination 限制水位確定flood control standard level 汛期限制水位 返回 control level