Coal from the Powder River Basin of Montana and Wyoming tends to be low in sulfur, for example, allowing power plants to burn more without exceeding local pollution limits.
来自蒙大拿粉河盆地和怀俄明州的煤炭含硫量低，可保证发电厂不超出本地排污限制。
It is controlled by computer and driven by frequency conversion motor, it is run with low noise and slight vibration, without carbon powder pollution.
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。
Superior performance, adopting imported compressor refrigerate system, driven by frequency conversion motor, without carbon powder pollution;
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；
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