尊敬的先生/女士，我们需要A7铝锭。预估数量：5000 --- Dear Sir/Madam, we require A7 aluminum ingots. Estimated quantity: 5000.

尊敬的先生/女士，我们需要A7铝锭。预估数量：5000 --- Dear Sir/Madam, we require A7 aluminum ingots. Estimated quantity: 5000.

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