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瘪瘦无门的领结
2020-01-05 00:00:00
出口创汇率=（成品出口外汇净收入-原料外汇成本）/原料外汇成本*100%
(3000-1.5×1000/1500)×100%
=100%
(3000-1.5×1000/1500)×100%
=100%
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