1. 喷灯：block and tackle 滑轮组 | blowlamp 喷灯 | blowpipe 吹风管

2. 焊灯：blowing ventilation 吹入通风 | blowlamp 焊灯 | blowout 突出

3. 汽油吹焰管：blowhole 呼吸孔 | blowlamp 汽油吹焰管 | blowmobile 雪撬

4. 吹炬：拉模 die | 吹炬 blowlamp | 破碎机 crusher

1. 喷灯；喷焊灯
    A blowlamp is a device which produces a hot flame, and is used to heat metal or remove old paint.

noun

1. a burner that mixes air and gas to produce a very hot flame

    Synonym: blowtorchtorch