Combining with the geological case, oblique mining process at blasting face 34006 analyze the accepted force reason of collapsed pillar and introduce the preventing technique and achieved benefit.
结合340 0 6炮采工作面地质情况、俯斜开采及工艺，对工作面液压单体柱倒柱原因进行了受力分析，并介绍了防止液压单体柱倒柱技术及取得的效益。
The oblique-face desk has simple structure, can overcome the top five damages of the horizontal desk, can fix books and can facilitate turning pages.
本实用新型具有结构简单、读写时可克服水 平课桌的五大危害及固定书、本和翻页方便的特点。
The oblique-face desk has simple structure, can overcome the top five damages of the horizontal desk, can fix books and can facilitate turning pages.
本实用新型具有结构简单、读写时可克服水 平课桌的五大危害及固定书、本和翻页方便的特点。
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