“lifting guard”的概念、定义、翻译、参考文献-科学参考

单词	lifting guard
释义	lifting guard [`lift·iŋ ´gärd] ^{MINING ENGINEERING} Fencing placed around the mouth of a shaft and lifted out of the way by the ascending cage.
随便看	auk aulacogen Aulodonta aulodont dentition Aulolepidae aulophobia aulophyte Auloporidae A* unit auntie Aur aura aural aural masking aural null aural radio range aural signal aural transmitter auramine hydrochloride aurantia aurantiin Aurelia aurelia aureofacin aureole

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