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据估计，美国当时的经济产量占了世界产量的一半。
America's economic output, by some estimates, was half of the world's total.
youdao
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我们估计年产量50000台是可行的。
We estimate an annual production of 50,000 is workable.
youdao
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我们估计年产量50000台是可行的。
We estimate an annual production of 50,000 is workable.
youdao