A.弧焊機(jī) B.對(duì)焊機(jī) C.點(diǎn)焊機(jī) D.氣焊機(jī)
A.0.2~0.5mm B.0.3~0.6mm C.0.4~0.8mm D.0.5~1mm
A.10mm B.12mm C.14mm D.16mm