基本解释[经济学]回转式蒸煮器词组短语短语rotary spherical digester corrosion 蒸球腐蚀rotary y digester 回转式蒸煮器rotary spherical digester 蒸球;球形蒸煮器rotary digester for roasted material 转筒形烧结块溶出器专业释义经济学回转式蒸煮器