The reserves of blood derivatives left from World War II will largely be outdated by the end of 1950, though some can be reprocessed, at about a third of the cost of new products.

二战时血液制品的储备在1950年底，很多已经过期失效，有一些可以被再加工，其成本是约新产品的三分之一。

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The reserves of blood derivatives left from World War II will largely be outdated by the end of 1950, though some can be reprocessed, at about a third of the cost of new products.

二战时血液制品的储备在1950年底，很多已经过期失效，有一些可以被再加工，其成本是约新产品的三分之一。

youdao