gas torch welding 气炬焊 ; 炬焊
gas torch tip 气焊炬喷嘴 ; 电焊炬喷嘴
NC gas-torch cutting machine 数控气切割机床
gas-torch cutting 气炬切割
gas cutting torch 气割吹管 ; 气割炬 ; 风焊切割灯
gas torch for molding 造型用煤气喷灯
gas welding torch butt 气焊进气硬管
gas welding torch 气焊吹管
He forgot to turn off the gas torch when he left.
他离开的时候忘记关掉气焊焊炬了。
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。
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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