在炉管背火侧的一定范围内增加适量的钉头或翅片,可以提高背火侧的受辐射面积。
A certain amount of nail head or fin within an acceptable range of tube's back side can improve the area of access to radiation.
在炉管背火侧的一定范围内增加适量的钉头或翅片,可以提高背火侧的受辐射面积。
A certain amount of nail head or fin within an acceptable range of tube's back side can improve the area of access to radiation.
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