created sense approved 水力鼓风/水力鼓風 · shuǐlìgǔfēng · hydraulic bellows
水力鼓风 / 水力鼓風
shuǐlìgǔfēng
hydraulic bellows
a water-driven mechanical system or process used to provide a continuous blast of air for metal smelting furnaces
这种先进的水力鼓风技术在当时极大地提高了生铁的产量。