An appropriate power plug has to be attached to the machine by electric technicians. Power plug has to be connected to a grounded receptacle.
电源插头应用具有电气专门知识的人来安装。电源插头必须连接到接地插座上。
2
The invention relates to an automatically displaceable floor dust collecting device (1) comprising an electric-motor drive, a dust collecting receptacle, and a cover.