“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	megakaryophthisis megaloblast megaloblastic anemia megaloblast of Sabin megalocardia megalocephaly Megalodontoidea megalomania Megalomycteroidei megalopia megalops larva Megaloptera Megalopygidae megalosphere megaloureter -megaly Megamerinidae megaparsec megapel display megaphenic megaphone megaphyllous Megapodiidae megarectum megaripple

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