Aim to determine the main source of dust pollution in the air in Shang Lan Area, to tackle the problem directly.
目的确定上兰地区空气中尘污染的主要来源，便于针对性治理。
The pollution source of amorphous dust resulted from open-air coal stocking yard is specialized with large area, which is difficult to control.
本文通过采用在储煤场周围设置防风抑尘墙，降低储煤场内风速，从而实现有效控制储煤场无组织扬尘污染。
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