open sand molding是什么意思

网络释义

1)open sand molding,敞砂模法2)open sand mold,敞砂模3)open molding,敞开式模塑法4)dry sand molding,干砂模法5)open sand filter,敞式砂滤器6)open mo(u)ld process,敞模成型法[增强塑料]