wire-feed control送丝控制
alternate wire-feed变速送丝
wire-feed system送丝机构
wire-feed motor送丝机
wire-feed rolls线材送进辊
alternate wire-feed system变速送丝方式;变速送丝方法;变速送丝
constant wire-feed mode等速送丝方式
wire-feed feeler gauge线材规
alternate wire-feed syst变速迎丝体式格式