gas protection welding 气体保护焊
Welding protection 焊接防护 ; 焊接保护
welding protection helmet 电焊防护面罩
welding protection glasses 焊工防护眼镜
for welding damage protection 焊接损伤的保护
It is applicable for the gas protection welding of various low carbon steel and low alloy steel.
适用于各种低碳钢、低合金钢的气体保护焊接。
The invention relates to the welding field, in particular to a gas protection welding wire with nano coating.
本发明涉及焊接领域，特别涉及一种具纳米涂层的气体保护焊丝。
This paper introduced an automatic air mixing equipment for gas protection welding at work site, which can control the accurate proportion of airs.
介绍了一种用于焊接现场的气体保护焊的自动混气设备，该设备能精确控制气体混合比例。
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