修理经验表明,采用等离子堆焊修复铝活塞是经济合理的,但是,由于缺乏生产设备,很多铝活塞因得不到修复而报废。全苏电焊设备科学研究工艺设计院会同全苏农业函授学院在1/—209型堆焊机基 Repair experience has shown that it is economically justified to use plasma surfacing to repair aluminum pistons, however, many aluminum pistons are scrapped without repair due to the lack of manufacturing equipment. All the Soviet Union Welding Equipment Science and Technology Research Institute of Design in conjunction with the All-Agricultural Correspondence College in 1 / -209-based surfacing machine base