这是因为在美国很多地方，公用事业部门仍然是垄断运营，在设备和技术方面控制着当地市场。

That's because utilities still operate as monopolies in much of the U.S., controlling the local market for equipment and technology.

youdao

熟悉设备控制，良好的传动，火炉知识和经验，熟悉工厂公用设施。

Good knowledge and experience of machine control, transmission, burner technology, well know plant utility system.

youdao