Rock body formed in plate extensional background and a loose stress state.
岩体形成于板内引张的应力松弛环境。
As the material by the plate hammer blow constantly cracks, loose Erzhi smash.
由于物料受到板锤的打击、不断产生裂缝，松散而致粉碎。
As the material by the plate hammer blow constantly cracks, loose Erzhi smash.
由于物料受到板锤的打击、不断产生裂缝，松散而致粉碎。
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