【摘要】 介绍了普采工作面装煤护柱装置 ,该装置结构简单、实用 ,使用该装置可以大幅度地降低劳动强度和维修费用。更多还原

【Abstract】 The paper introduces the device of loading coal and protecting pillar in conventionally_mechanized coal winning technology face.The structure of the device is very simple and applicatory.Using this device can reduce labour intensity and maintenance cost very much.更多还原