That's what the maintenance engineer says.
维修工程师是这么说的。
If you are a janitor, don't try and dress it up by calling yourself a maintenance engineer.
如果你是一个看门人,不要试图把自己装扮成一个维修工程师。
Assist maintenance engineer to prepare area which need equipment maintenance and renovation work.
协助设备维护工程师作好区域设备的维护和改造的工作;
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