“jack timber”的概念、定义、翻译、参考文献-科学参考

单词	jack timber
释义	jack timber [`jak ´tim·bǝr] ^{MINING ENGINEERING} A timber such as a rafter that is shorter than others with which it is used.
随便看	Saint Louis encephalitis Saint Peter sandstone Saint Venant's compatibility equations Saint Venant's principle Saint Vitus dance Sakata-Taketani equation speed-reliability tradeoff speed triangle speed-up theorem speiss Spelaeogriphacea spelean speleology speleothem spelling checker spelter spelter shakes spelter solder spencerite spending beach spent acid spent fuel spent iron sponge spent liquor spent oxide

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