Maintenance man: It depends. Would you please show me the warranty certificate?

维修员：这要看。你能让我看看你的保修卡吗？

youdao

Maintenance shall be done by person having elevator operation certificate;

维保操作必须由持有电梯操作证的人来完成；

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Possess a valid Maintenance Management Certificate.

持有有效的维修管理人员资格证书。

youdao

Possess a valid Maintenance Management Certificate.

持有有效的维修管理人员资格证书。

youdao