Assuming the suppliers are equal in every other respect at what quantity will it make no difference in cost who gets the order?
假设供应商们的条件相当，在没有成本差异的情况下，谁能得到订单并却订单的数量是多少？
Assuming the suppliers are equal in every other respect at what quantity will it make no difference in cost who gets the order?
假设供应商们的条件相当，在没有成本差异的情况下，谁能得到订单并却订单的数量是多少？
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