electrical utility services
electrical contracting services—-电力承包服务 electrical utility services—-公共电力服务 engineering consulting services—-工程咨询服务 ..
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electrical utility services
电力公用事业
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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The location of internal systems which shall include mechanical, electrical, plumbing and utility services permanently concealed and which shall be referenced to permanent.
内部系统的位置，包括永久隐藏的机械、电力、管道和设施服务，都应在建筑物结构上的。
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