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。

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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。

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Schneiderman announced lawsuits Thursday against four gas station operators for price gouging in the wake of superstorm Sandy.

WSJ: Gas Price Hikes Lead to Lawsuits

So if history shows that proposed anti-price-gouging legislation has fallen flat on its face, and if two federal agencies have said they haven't found any evidence of price gouging by oil and natural gas companies, and no one has been prosecuted under existing laws for price fixing, then why the new legislation?

FORBES: Pumping Politics

Former President Clinton and his Energy Secretary Bill Richardson mounted a similar effort late last year, when they asked the FTC to look into allegations of price gouging by the major oil companies when gas prices spiked in the Midwest.

CNN: Bush ready to release 'optimistic' energy plan