安装暖卫、电气设备和管线时，也不得随意拆打，剔凿墙体。
The wall shall not be dismantled and chiseled optionally when fixing the heating and sewage pipes, electricity equipments and other pipes.
安装暖卫、电气设备和管线时，也不得随意拆打，剔凿墙体。
The wall shall not be dismantled and chiseled optionally when fixing the heating and sewage pipes, electricity equipments and other pipes.
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