The bi-folding doors deliver natural light and harness passive cooling breezes when open and security when closed.
双折门提供自然光，打开时利用被动降温的微风，关闭时保障安全。
Wall cutting and unloading is a task of top priority of comprehensive harness in the north slope of Jinduicheng open pit stope. The vibration by blasting influenced the stability of slope.
削坡减载是露天采场北部边帮综合治理的当务之急，在边坡上进行爆破作业产生震动，对边坡稳定有一定影响。
Wall cutting and unloading is a task of top priority of comprehensive harness in the north slope of Jinduicheng open pit stope. The vibration by blasting influenced the stability of slope.
削坡减载是露天采场北部边帮综合治理的当务之急，在边坡上进行爆破作业产生震动，对边坡稳定有一定影响。
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