海词手机词典

Based ongeological condition and mechanics propertie s of open-pit footwall slope rock in XinqiaoPyrite Mine,the stopes stability is analysed by calculation of double slide face typefailure mode with limit equ ilibrium theory.

播放读音 播放读音

以上内容独家创作,受著作权保护,侵权必究

海词词典,十七年品牌