电力工程师需要具备省级或地区的电力工程师证书或固定式发动机操作员证书。
Power engineers require a provincial or territorial power engineering or stationary engineering certificate according to class.
电力工程师需要具备省级或地区的电力工程师证书或固定式发动机操作员证书。
Power engineers require a provincial or territorial power engineering or stationary engineering certificate according to class.
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