水力鼓风 shuǐlìgǔfēng hydraulic bellows Definitions Defs Origin Strokes Stroke Words Sentences Sents 水力鼓风 水力鼓風 shuǐlìgǔfēng hydraulic bellows hydraulic bellows or water-driven ventilation, specifically used for metal smelting furnaces
水力鼓风 水力鼓風 shuǐlìgǔfēng hydraulic bellows hydraulic bellows or water-driven ventilation, specifically used for metal smelting furnaces