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analysis surrounding rock stability of tunnel and underground chamber
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analysis surrounding rock stability of tunnel and underground chamber
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analysis surrounding rock stability of tunnel and underground chamber
地下洞室围岩稳定分析
研究地下洞室开挖后产生的应力、变形、破坏形成机理,以及支护处理必要性的分析判断过程。
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rare earth magnetic materials
rare earth metal
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rare earth metal ore deposit
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rare earth molten salt electrolysis in chlorides
rare earth molten salt electrolysis in fluorides
rare earth nitrate
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rare earth oxidation-reduction separation and purification
rare earth oxide
rare earth oxides
rare earth oxides lanthanum thermal reduction
rare earth perchlorate
rare-earth permanent magnet
rare earth permanent magnetic material
rare earth permanent magnetic materials
rare earth permanent magnetic material with low temperature coefficient
rare earth phosphate
rare earth pyrometallurgy
rare-earths-cobalt perma-nent magnetic material
rare earth-sensitized luminescence materials
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