短語(yǔ)詞組短語(yǔ)coal dust mill 磨煤機(jī)coal pulverizing mill 粉煤機(jī);煤磨Two Coal Pulverizing Mill 投兩臺(tái)磨煤機(jī)BBD coal ball mill 直燃式雙進(jìn)雙出磨煤機(jī)coal grinding mill 磨煤機(jī)Coal crusher mill 磨煤機(jī)medium speed coal mill 中速磨煤機(jī)low speed coal mill 鋼球磨煤機(jī) 返回 coal mill