充填料以银汞合金为好.The best filling material is silver amalgam.通过试验, 优化了碎石胶结充填料配比.Through the experiments, the mixture ratio of cemented crushed stone backfilling materials was optimized.充填料挤压输送泵是一种用于矿山充填的专用设备.The squeezed trans...

“充填料”的英语可以翻译为：casting resin，attle，backfill material，filling material ...