Although the total calorific value of oxypropane flame is higher than oxyacetylene flame, its first calorific value is lower, so its burning temperature is lower and its heating time is longer.

 
  • 氧丙烷焰比氧乙炔焰的总热值高,但一次热值低,因此燃烧温度低,预热时间较长。
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