...；接地工程； 电气工程；施工管理 [gap=420]Keywords: Petrochemical Engineering; quality management; grounding engineering; electrical engineering; construction management ..
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And lightning protection engineering and grounding engineering technology services.
以及雷电防护工程及接地工程技术服务等业务。
In other countries, wind power grounding materials and engineering are done by professional companies, domestic little.
在国外，风电的接地材料与工程都是由专业公司在做，国内却很少。
The paper compares in detail the ground performance of large copper and steel material grounding grids in power current, which has some reference for the practical engineering.
本文详细比较了大型铜材和钢材接地网在工频电流下的接地性能，对工程应用有一定的参考价值。
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