stope
n. 梯段形开采面; v. 用梯段法采矿;受顶蚀作用; n. (Stope)(美)施托佩(人名)
n.采矿场v.在采矿场采矿
blackhearted complainant fibranne ibadan mammilla shorten soot下载迅蛙App
lolian2#163.com
n. 梯段形开采面; v. 用梯段法采矿;受顶蚀作用; n. (Stope)(美)施托佩(人名)
n.采矿场v.在采矿场采矿
blackhearted complainant fibranne ibadan mammilla shorten soot