The experiment results show that the average yearly corrosion rate of 20(superscript #) steel before hot-dip aluminizing is three to six times of that after hot-dip aluminizing.

• 实验结果表明，2(上标%23)钢热浸镀铝前的平均年腐蚀速率是热浸镀铝后平均年腐蚀速率的3到6倍。