Can I see the gas safety certificate?

我可以看看煤气安全证明书吗？

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They are widely used as gas safety shut-off valves for industrial and commercial combustion systems.

它们被广泛用作用于工艺和商业燃烧系统的气体安全切断阀门。

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The paper discusses the design and operation of the gas safety and explosion protection system of roller hearth furnace in detail.

较详细地讨论了辊底式炉煤气安全防爆系统的设计与操作。

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Salazar said this week the part of the agency which permits oil and gas drilling and collects royalties will be separated from the part which inspects the safety of oil rigs.

VOA: standard.2010.05.14

The National Highway Traffic Safety Administration has linked more than 50 deaths to the unexpected acceleration problems -- a safety issue Toyota has blamed on floor mats and sticky gas pedals.

VOA: standard.2010.03.26

The Gas Safety Trust report contains figures of incidents gained from media reports, but it has warned that the real figures could actually be higher.

BBC: Warning over rise in carbon monoxide fatalities

They are added to the gas for safety.

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This safety of natural gas development in general, and hydraulic fracturing in particular has been noted by three presidential administrations Clinton, Bush and Obama all of whom have testified to the safety of natural gas development and hydraulic fracturing.

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