短语词组短語blowpipe flame and zone 汽油吹琯焰與層flame blowpipe 火焰銲炬single flame blowpipe 單焰銲炬flame cleaning blowpipe 火焰表麪清理燒矩flame hardening blowpipe 火焰表麪淬火燒炬multi -flame blowpipe for oxy-acetylene 多焰氧炔吹琯 返回 blowpipe flame