One end of the lead is connected into the liquid conductor and the other end is connected to a power supply, therefore the grinding disk can be heated to a required temperature.
一根导线一端接入液态导体，另一端接到电源上，从而可加热研磨盘到需要的温度。
The tooth brush has a replaceable tooth cleaning bar and convenient use, and can lead the brush head to be connected with the brush handle according to using conditions.
本实用新型的牙刷可以更换洁牙棒，且可根据使用情况连接刷头与刷柄，使用方便。
The technical scheme can lead signals at all layers in the printed circuit board to be connected with each other.
本发明技术方案能够使印刷线路板中任意层信号互连。
The technical scheme can lead signals at all layers in the printed circuit board to be connected with each other.
本发明技术方案能够使印刷线路板中任意层信号互连。
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