If transportation, installation, faulty operation problem, lead to the equipment's part damage.

凡属运输 、 安装 、 使用不当等非产品质量问题, 不在保修范围之内.

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Investigate vehicle failures and difficulties to diagnose faulty operation and to make recommendations to maintenance crew.

调研车辆失败和困难以分析失败的运营,提出建议给维护人员.

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