Water-only cyclone and spiral separator are commonly used equipment for treating coal fines at abroad.

水力旋流器和螺旋分选机是国外常用的粉煤分选设备。

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Water-only cyclone and spiral separator are commonly used equipment for treating coal fines at abroad.

水力旋流器和螺旋分选机是国外常用的粉煤分选设备。

youdao