“line timbers”的概念、定义、翻译、参考文献-科学参考

单词	line timbers
释义	line timbers [`līn ´tim·bǝrz] ^{MINING ENGINEERING} Timbers placed along the sides of the track of a working place in rows according to a predetermined plan.
随便看	lidar lidocaine Lie algebra liebigite Liebig's law of the minimum Liebmann effect Lie bracket lie detector Lie group Liesegang banding Liesegang rings Lieskeela lifeboat life cycle life-cycle cost life expectancy life form life of mine life preserver life raft life-saving station life support system life test lifetime life zone

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