一旦我们双方达成协议 Once our bilateral agreements ; Once we reached an agreement
一旦达成协议，当机立断结束谈判。
When you have reached agreement, close the deal firmly and clearly.
一旦达成协议，有关各方都有义务销售或购买规定数量的产品。
Once agreed upon, it is the obligation of the parties involved to sell or buy the specified amount of products.
一旦达成协议，您必须保证每月订购一定数量，因为只有这样才能确保经常供应。
In case we come to an agreement, it would be necessary that you guarantee to place orders for a certain quantity every month because, only by this way, will a regular supply be ensured.
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