Unique ultra pure copper mirror, low reflection, heat loss is small.
特有超纯铜镜面，低反射，热损小。
If you want to stop the music, please cut the copper wire with small scissors.
如果停止音乐时，将喷火处铜线剪断即可。
The copper, aluminum, etc for soft metal, wear small;
工件为铜、铝等软金属时，磨损较小；
The copper, aluminum, etc for soft metal, wear small;
工件为铜、铝等软金属时，磨损较小；
应用推荐