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.

youdao

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.

youdao