《材料制造数字化技术基础》课程论文 A PLAN FOR VOLUMME CONTROL OF DEPOSIT UNIT IN ADDITIVE MANUFACTURING WITH LASER ABSTRACT (To start writing abstract from here) Keywords:(The English keywords should be responsible to Chinese keywords) iⅱ《材料制造数字化技术基础》课程论文 ii A PLAN FOR VOLUMME CONTROL OF DEPOSIT UNIT IN ADDITIVE MANUFACTURING WITH LASER ABSTRACT (To start writing abstract from here) Keywords: (The English keywords should be responsible to Chinese keywords)