半自动焊 meaning in English

semiautomatic welding

The operation rules for underwater semi - automatic protection welding by way of water partially drained by co2
水下局部排水二氧化碳保护半自动焊作业规程
Besides all these , an automatic wire - feeding circuit and its control system are designed for the welding machine is semi - automatic arc welder
此外，由于焊机为半自动焊机，论文中设计了焊丝的自动送进系统及其调速控制系统。