oxy-acetylene

adj, n (of or using) a mixture of oxygen and acetylene gas (esp for cutting or welding metal)氧（乙）炔的; 用氧（乙）炔的; 氧（乙）炔: oxy-acetylene torches, blowpipes, equipment, ie devices burning oxy-acetylene 氧炔焊炬、 吹管、 设备 * oxy-acetylene welding, ie joining metal by means of a hot flame of oxy-acetylene 氧炔焊接.

own, own brand, own goal, owner, owner-driver, owner-occupied, owner-occupier, ownerless, ownership, ox, ox-eye, Oxbridge, Oxfam, Oxford, oxidation, oxide, oxidize, oxidize, oxidise, Oxon, oxtail, oxygen, oxygen mask, oxygen tent, oxygenate, oxymoron, oyez, oyster, oyster bed, oyster-catcher, oz, ozone, ozone layer, P, P and O, p and p, P, p, p.a. system, p.m., P.M./p.m., pa,