验收包括收到正式说明书，说明已经满足了合同条款的要求。

The acceptance includes receipt of a formal statement that the terms of the contract have been met.

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样品要求： 全套样品5 套并包括安装说明书（如适用）。

Sample required: 5 sets of completed products with assembly instruction (if applicable) is recommended.

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样品要求： 全套样品2 套并包括安装说明书（如适用）。

Sample required: 2 sets of completed products with assembly instruction (if applicable).

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