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定量控制的硬煤刨煤机在普罗斯波－汉尼尔煤矿使用［德国］Ｈ·巴尔斯特Ｊ·加伊尼Ｈ·皮亚斯塔在使用刨煤机时，经常会出现一些问题，如卡刨头。有的工作面由于煤的可刨性不同，而出现全长刨深不同，造成输送机推移量不均匀。此外人们期望能在煤质坚硬的薄煤层中使用刨煤...
Quantitatively controlled hard coal plows at Prospero-Hannil mine [Germany] H. Balster J. Ghaneni H. Piasta Frequently problems arise when using plows such as Card plow head. Some face due to coal shaver can be different, while the full-length planing different depth, resulting in uneven conveyor displacement. In addition, people expect to be able to use plow coal in the hard, thin coal seam.