Sub Species Perspective的意思|示意

分品种看 4, sub-species perspective, hot-rolled and cold rolled exports to resume clear, especially in hot-rolled steel exports accounted for the proportion of total exports in April 2009 from the 7.6% to 24% last month, nearly a record level of 29%. But the absolute amount was only half of the high points. Experts estimate that exports in April seamless chain growth mainly by increase in exports of hot rolled and cold rolled.