常見例句The oil-supplying unit by frequency conversion and constant pressure is generally used in mineral processing equipments in gold mine,such as ball mills,hydrocone crushers. 黃金鑛山恒壓供油裝置一般用於球磨機、液壓圓錐破碎機等設(shè)備中。hydrocone gyratory crusher 液壓錐罩式環(huán)動破碎機hydrocone type 虹吸式 返回 hydrocone