脉冲微束等离子弧焊
pulse micro-plasma arc welding
微束等离子弧焊
Micro-plasma Arc Welding
micro-beam plasma-arc welding
micro-plasma are welding
微束等离子弧焊机
micro-plasma welding equipment
Micro plasma arc welding machine
微弧等离子喷涂
Micro-plasma Spraying
micro-arc plasma spraying
微束等离子熔覆
micro-plasma arc overlaying
A-70等离子弧焊机
A-70 plasma arc welding machine
变极性等离子弧焊
campus health issues
VPPAW
Variable polarity plasma arc welding
变极性等离子弧焊接
Variable polarity plasma arc welding
VPPA