Such spare are used as replacement parts during the Warranty Period.

该类备件在质保期内作为替换部件使用。

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A replacement instrument must have, at most, a five-year payback period.

一次仪器更换至多必须有五年的偿还周期。

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A replacement instrument must have, at most, a five-year payback period.

一次仪器更换至多必须有五年的偿还周期。

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