买方应在发出采购订单表，由前60天交货时间。

Buyer shall issue the purchase order sheet by 60 days before the delivery time.

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在采购订单和产品表之间创建联接以获取产品详细信息。

Create a join between the purchase order and the product table to get product details.

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在采购订单和产品表之间创建联接以获取产品详细信息。

Create a join between the purchase order and the product table to get product details.

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