“yielding floor”的概念、定义、翻译、参考文献-科学参考

单词	yielding floor
释义	yielding floor [`yēld·iŋ `flȯr] ^{MINING ENGINEERING} A soft floor which heaves and flows into open spaces when subjected to heavy pressure from packs or pillars.
随便看	index fossil index glass index head indexing indexing fixture index line index liquid index marker index mineral index mirror index number index of absorption index of aridity index of cooperation index of modulation index of precision index of refraction index of unsaturation index of work tolerance index plane index plate index point index prism index ratio index register

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