vein-artery mixed filling vein-vein
释义:静脉-静脉,静脉-动脉混合灌流;
mineral dressing ore beneficiation mineral processing
选矿(学);
cotton sack for mineral ore sack for mineral ores
矿石袋;
mineral dressing ore beneficiation mineral processing
选矿(学);
cotton sack for mineral ore sack for mineral ores
矿石袋;