This TV set, has it a five-year guarantee against mechanical defects?

能有五年的机械故障保修吗？

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The mechanical force analysis was also set up for main components of the body.

建立了该机构中主要零部件的受力分析模型；

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The mechanical force analysis was also set up for main components of the body.

建立了该机构中主要零部件的受力分析模型；

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