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[期刊论文] 作者：Dintwe,Takashi Sa,
来源：地球科学和环境保护期刊(英文) 年份：2021
Underground mining is an economically viable option for exploiting ore reserves deemed uneconomic after open pit mining. However, underground development can ha...
[会议论文] 作者：Yasuo MIAKE,Takaaki YANA GISA WA,Takashi SA WADA,Mitsuko MORIGUCHI,Takaki YAMAZAKI,Masaya OGIWARA,
来源：第四届中日口腔医学大会(The Fourth Sino-Japanese Conference on Stomatolo 年份：2008
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