... secondary reinforced support 二次加强支护 secondary core support 堆芯二次支承系统 secondary support assembly 防断组件 ...
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二次加强支护
Secondary reinforcement support
以上为机器翻译结果，长、整句建议使用 人工翻译 。
发现了一些前人未曾揭示的规律，条采巷道闭合变形将出现两个极值，其距离大于普通开采巷道，因此，巷道应在前方峰值压力第二次采动影响时加强支护。
Some deformation features that have not been discovered before are found. There are two peaks of displacement in strip mining roadway, and their lag distance is longer.
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