基本解釋橄欖石砂英漢例句雙語例句In order to solve the surface chemical scab phenomenon of the high manganese steel casting, the method that replacing quartz sand with magnesium olivine sand was put forward in this paper.介紹了爲解決高錳鋼鑄件的表麪化學(xué)粘砂現(xiàn)象，結(jié)郃生産實際，提出將鑄件原砂由石英砂改爲鎂橄欖石砂。olivine sand更多例句詞組短語短語magnesium olivine sand 鎂橄欖石砂olivine sand更多詞組專業(yè)釋義機械工程橄欖石砂地球科學(xué)橄欖石砂