the paper introduced the coal reclaiming device with motility about its circulating method, concrete developing scheme, manufacture and assembly and the economic benefic achieved after employment.
本文介绍了刮板输送机自动力回煤装置解决问题的方法、具体研制方案、加工及安装使用后的技术经济效果。
using this kind of ventilating equipment and fumigation system, the grain quality and freshness could be keep for a long time. the economic benefic and social benefic of the techmology are obvious.