Electric Cables Handbook is an extensive source of up-to-date and essential information for electrical engineers, contractors, supply authorities and cable manufacturers.
电缆手册是由多达到日期和电气工程师，承包商，供应部门和电缆制造商的基本信息来源广泛。
The utility model relates to power supply technique of an electric source.
本实用新型涉及电源供电技术。
The utility model relates to power supply technique of an electric source.
本实用新型涉及电源供电技术。
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