He thought his invention could replace acetylene in welding factories.
他认为他的发明可取代乙炔在焊接工厂。
The merits of the acetylene gas and the defects of new type of welding gas are completely mixed together on the aspect of theory and practice.
理论和实践上把乙炔气的优点和新型焊割气存在的缺点完整的捏合在一起。
Acetylene (ethyne) Simplest alkyne, C2H2. A colourless, flammable, explosive gas, it is used as a fuel in welding and cutting metals and as a raw material for many organic compounds and plastics.
乙炔：最简单的炔(C2H2)，无色可燃气体，广泛用作金属焰焊接和切割的燃料，也是合成许多有机化学品和塑料的原料。
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