基本解释[能源科学技术]分型砂分模砂英汉例句双语例句The invention discloses a mechanism for cleaning parting surfaces of an upper sand box and a lower sand box, which belongs to a producing line of castings.本发明属于铸造生产线上的一种上下砂箱分型面清理机构。ip.comparting sand更多例句专业释义能源科学技术分型砂分模砂