如果看到锅底有气泡升起，就说明温度过高了——汤水应该保持“微光”而不是起泡。
If you see any bubbles coming up from the bottom of the pan, it's too hot — the liquid should "shimmer" rather than bubble.
如果温度过高，就会起泡。
得出终轧温度过高、冷却强度不够及冷却不均是钢筋表面起泡的重要影响因素。
It is concluded that too high fish rolling temperature, too low cooling intensity and unsymmetrical cooling are main causes.
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