balanced pressure torch 等压式焊炬
high pressure torch 高压焊炬
w-pressure torch 低压焊炬
balance pressure torch 等压式焊炬
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。
And while the torch relay managed to avoid major disruption in South America, the pressure is likely to have eased only temporarily.
尽管在南美火炬传递设法避免了主要中断，压力很可能仅是临时的减轻。
At the end of the shift or work day, close the cylinder valve and bleed the pressure off the regulator and torch equipment.
在下班或工作日结束的时候，关闭钢瓶阀门，放出调整器和吹管设备内的压力。
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