以下为句子列表:
英文: Abstract: That the prevention measures are not enough at the prop-drawing operation in the stope is analysed at this paper,and the structure and the site application effect of DTH push-protecter are introduced.
中文: 文摘:分析了回采工作面回柱放顶作业中防护措施的不足,介绍了DTH推护器的结构和现场应用效果。
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