1·Companies with welding, carbon dioxide gas shielded arc welding, argon, carbon arc gouging, oxygen cutting and other special operations personnel.
公司具备电焊、二氧化碳气体保护焊、氩弧焊、碳弧气刨、氧气切割等特种作业人员。
2·It can provide several high performance welding modes, such as constant-voltage submerged arc welding, constant-current submerged arc welding, gas shielded welding and carbon arc air gouging.
它能提供多种高性能的焊接模式，如恒压埋弧焊、恒流埋弧焊、气保焊、碳弧气刨。
1·It was a little after 1 p.m., and by that point the Iceman had already undergone six hours of poking, probing, gouging, and sample gathering.
下午一点过一点点时，大家已经对冰人进行了6个小时的刺、探、凿和样本采集。