penetration rate

• 焊透率,进尺速度,穿进速率,钻入速度

penetration rate的用法和样例：

例句

1. Along with the increase of redrying rate, the tobacco moisture range showed the minishing trend, namely, the moisture content in each leaf trended to uniformity.
   随着烤透率的提高，烟叶含水率极差呈减小趋势，即各叶片含水率趋于均匀。