In the process, oil is top gas (often reduced pressure), chemical is butadiene unit, the torch gas recovery system, oil and chemical are used.

工艺上用的，石油是塔顶气(常减压)，化工是丁二烯装置，火炬气回收系统，石油和化工均采用过。

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The testing method and the results of air dynamic fieldtest are introduced for the reform of the high pressure oil boiler to burn oil and torch gas appended at the same time.

介绍了高压油炉掺烧火炬气改造工程中空气动力场试验的方法和结果，分析了存在的问题，提出了解决问题的建议。

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Gas torch to cut the parts out, but the Angle grinder will make a neater job.

天然气火炬削减的部分，但是，角向磨光机将作整洁工作。

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Locog aim to sell torchbearers the actual torch they ran with, once the gas canister has been removed and the burner system disabled.

BBC: London 2012: Bearers charged to own Olympic relay torch

"Prior to the electricity, we came in and had to come with a torch or a candle and light your gas, if you had gas, light your candles, " he said.

BBC: Not seeing the light at Downhill