Most aluminium firms with the lowest costs have both .

大部分成本最低的铝业公司都兼具二者。

That would be their lowest total since 1949 .

这是两党1949年以来的最低水平。

This is the lowest in nearly two years .

这是最近两年来失业率最低的数据。

That was its lowest point since aug. 9 .

达到自9月份以来的最低价格。

Manufacturing activity is at its lowest level in three years .

制造业活动处于三年来的最低水平。