By improving the fully mechanized light caving technology, carrying out in the 1426d working face light caving practice, achieving the goal of safe production.
通过改进综采轻放工艺，在1426d工作面进行综采轻放开采实践，实现了安全生产目标。
By improving the fully mechanized light caving technology, carrying out in the 1426d working face light caving practice, achieving the goal of safe production.
通过改进综采轻放工艺，在1426d工作面进行综采轻放开采实践，实现了安全生产目标。
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