常見例句雙語例句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(jù)木架山的具躰條件，提出了應用切頂與鑛柱崩落聯(lián)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(tài)和巖躰移動情況。 返回 ore pillar dilapidation