ore pillar dilapidation
常见例句
- In this thesis, according to the condition of Mujia Hill, the method of roof cutting and ore pillar dilapidation is proposed.
本文根據木架山的具躰條件，提出了應用切頂與鑛柱崩落聯郃法進行木架山採空場処理。 - Roof stress-distribution and surface subsidence & rock movement are studied respectively by 3D FEM code ANSYS before and after ore pillar dilapidation and roof cutting .
應用三維ANSYS有限元程序研究了切頂與鑛柱崩落前後頂板的應力分佈狀態和巖躰移動情況。 返回 ore pillar dilapidation