售中：零风险，免费提供样品试样。

During sales: provide free samples but no risk.

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有专业技术资深的高级工程师可提供样品试样，技术培训。

There are professional senior engineers can provide samples samples, technical training.

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在元器件或设备生产过程中的系统化测试，测试样品时对样品不产生破坏是强制性条件。

The systematic testing of components or equipment during manufacturing makes this non-destructive condition mandatory when testing a sample.

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