微机控制、变频调速、无碳粉污染、延长使用寿命；噪声低、振动小。

It is controlled by computer and driven by frequency conversion motor, it is run with low noise and slight vibration, without carbon powder pollution.

youdao

性能优越，制冷系统采用进口压缩机组，驱动采用变频无刷电机，无碳粉污染；

Superior performance, adopting imported compressor refrigerate system, driven by frequency conversion motor, without carbon powder pollution;

youdao

我们正在寻求无定型石墨，要求碳粉含量达到90%，灰分含量低，颗粒直径达到20毫米。

We are looking for amorphous graphite with fixed carbon up t0 90% , low ash content, particle size diameter up to 20 mm.

youdao

我们正在寻求无定型石墨，要求碳粉含量达到90%，灰分含量低，颗粒直径达到20毫米。

We are looking for amorphous graphite with fixed carbon up t0 90% , low ash content, particle size diameter up to 20 mm.

youdao