短語詞組短語Molding silica sand 鑄造用硅砂molding -sand strength 型砂強度Molding natural sand 鑄造用天然砂synthetic molding sand 合成模砂;合成模砂英語molding sand tester 模砂試驗儀器green molding sand 濕型砂molding sand properties 型砂性能fineness of molding sand 型砂純凈度 返回 molding sand