A scheme can be considered, i. e. a coalchute rise is re-driven along the edge of goaf in coal pillars, and the gates are run along the strike.
在上山煤柱中，可以考虑采用沿采空区边缘重新掘溜煤上山，沿走向布置回采巷道的方案。
2
By the way of rational design including: chute, chute inclination, line and precise calculation reaches to the high operation of transport equipment and coal storage.
前言：通过对溜槽的断面、倾角及线路的合理设计，并经过精密计算，实现了运输设备和存煤装置的高效运转。
3
The snake-chute is applied for the first time in China and it makes the lump coal loss reduce 4.01%, which gets to the national advanced level within the same trade.