短語詞組短語coal pulverization 煤的粉碎pulverization test 粉碎試騐Pulverization mechanism 粉化機制jet pulverization 氣流粉碎obstructive pulverization 窒塞粉碎nano pulverization 納米粉碎chemical pulverization 化學(xué)粉碎 返回 pulverization