medium hard coal
... medium ground 中硬地层 medium hard coal 中等硬度煤 medium thickness seam 中厚矿层 ...
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PCB系列锤式破碎机可供化工、泥、材、电等工业部门做中碎或细碎各种中等硬度以下的脆性矿山、石和煤、灰石、渣等。
PCB series crusher is used for breaking medium degree of hardness materials, such as brittle ore, rock, coal limestone, slag, etc. in chemicals, cement, building materials and electricity industries.
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