etch rate

• 腐蚀速率

etch rate的用法和样例：

例句

1. The deposit rate of condensed sulfuric acid from the stack gas is the key for determining the corrosion rate and the life of low-tempera.
   冷凝酸液的沉积速度是决定低温面腐蚀速率和寿命的关键因素。