loose topping meaning in Chinese
胎面脱空
Examples
- If increasing drawing interval , the movement and flow range of top coal will enlarge , and the velocity gradient on flow cross - section will diminish , so that it is good for controlling the flow rate of thin sand among loose top coal
研究表明，加大放煤步距，顶煤运移流动的范围变大，流动断面内速度梯度变小，有利于控制细砂的下窜速度。