pillar dilapidation的意思|示意
美 / /
英 / /
支柱破损
pillar dilapidation的网络常见释义
矿柱崩落 ...矿柱崩落 [gap=1760]y words mining engineering，abandoned stope disposal，finite element，roof cutting，pillar dilapidation ...
pillar dilapidation相关短语
1、 ore pillar dilapidation 矿柱崩落