“drawing timber”的概念、定义、翻译、参考文献-科学参考

单词	drawing timber
释义	drawing timber [¦drȯ·iŋ `tim·bǝr] ^{MINING ENGINEERING} The act of withdrawing timber and other supports from abandoned or worked-out mines.
随便看	field artillery field artillery observer field artillery trainer fieldata code field brightness field capacity field changes field coil field curvature field delimiter field designator field desorption field-desorption mass spectroscopy field-desorption microscope field discharge field-discharge switch field distortion field effect field-effect capacitor field-effect device field-effect diode field-effect display field-effect phototransistor field-effect tetrode field-effect transistor

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