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地下矿开拓方式选择
释义
地下矿开拓方式选择
Encyclopedia
工学
地下开采设计
释
underground mine development choice
地下矿开拓方式选择
为开发地下矿床,从地表掘进一系列井巷工程通达矿体,以形成提升、运输、通风、排水、供水、供电等完整系统的开拓方式的比选过程。
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number of places
number of plate
number of R & D personnel
number of reading days per week
number of reeling with confine raw silk size
number of reorderings
number of repetitions
number of replications
number of rows
number of runs
number of samples
number of scans
number of scans (NS)
number of science and technology archives
number of search
number of share
number of sheets
number of significant digit
number of solutions
number of stages
number of states
number of survivors
number of the first class
number of theoretical plates
number of the second class
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
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更新时间:2026/9/2 13:48:17