Demand is strong for steel piping in the North American oil and gas industry, but regulators will study the deal to see if there are any implications for energy security.

北美石油和天然气行业对钢管的需求比较强劲，但监管机构将调查研究，以决定此项收购是否对能源安全产生影响。

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Gas fitters install, inspect, repair and maintain gas lines and gas equipment such as meters, regulators and heating units in residential, commercial and industrial establishments.

燃气装配工安装，检查，维修和保养住宅，商业和工业机构的天然气管道和燃气设备，如仪表，稳压器和供热单位。

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The carrier gas is often store in a steel cylinder with pressure and flow regulators.

载气常常装在带压力和流速调节器的不锈钢瓶里。

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In response, on January 22nd the electricity and gas regulators proposed that power firms be barred from supplying gas in their home areas until electricity is competitive there.

ECONOMIST: Electricity

SSE's announcement comes at a time when the gas industry is under investigation by regulators amid allegations that firms manipulated the wholesale gas market.

BBC: SSE sees half-year profits rise 38.3%

The lining of these pits and regulations stipulating what can be used for the lining has been a constant source of contention between regulators, the natural gas industry and citizens who live nearby.

FORBES: 3 Thoughts On The N.Y. Fracking Ban