This standard is opposite DL/T4S9 one 1992 when editing, withheld still applicable power system the content that ark of 100 galvanic sources asks, amended partial clause.
本标准在对DL/T4S9一1992修订时，保留了仍适用电力系统百流电源柜要求的内容，修改了部分条款。
This standard is opposite DL/T4S9 one 1992 when editing, withheld still applicable power system the content that ark of 100 galvanic sources asks, amended partial clause.
本标准在对DL/T4S9一1992修订时，保留了仍适用电力系统百流电源柜要求的内容，修改了部分条款。
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