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探讨了物体的热惰性和绝热效应对焊接的影响，讨论了采用银铜焊料进行氧－乙炔焊时应该运用的火焰和火焰的高温区域．分析了自由氧和自由碳在焊接中的影响．
The influence of object ’s thermal inertia and adiabatic effect on the welding is discussed. The flame and flame high temperature area which should be used in oxygen - acetylene welding are discussed. The effects of free oxygen and free carbon on welding were analyzed.