“jack post”的概念、定义、翻译、参考文献-科学参考

单词	jack post
释义	jack post [`jak ´pōst] ^{MINING ENGINEERING} Timber used where a coal seam is separated by a rock band and one bench is loaded out before the other.
随便看	Gay-Lussac's first law Gay-Lussac's law of volumes Gay-Lussac's second law Gay-Lussac tower gaylussite gazogene gc g-cal GCA radar gcd G center GCI radar g-cm g-completeness g constant GCS Gd GDCH GDC survey GDG G display gDNA G drift Ge geanticline

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