length of flame

• 火焰长度

length of flame的用法和样例：

例句

1. The results show that the explosion flame is very long with cohesive force, and propagates along the bottom of the pipe.
   结果表明，瓦斯爆炸火焰是沿着管道的底部向前传播的，火焰长度较长，并具有较高的内聚力。