“backing deals”的概念、定义、翻译、参考文献-科学参考

单词	backing deals
释义	backing deals [`bak·iŋ ´dēlz] ^{MINING ENGINEERING} Boards, 1-4 inches (2.5-10 centimeters) thick, of sufficient length to bridge the space between timber or steel sets or between rings in skeleton tubbing.
随便看	hatchettite hatchettolite hatching hatchite Hatch-Slack pathway hatted code H attenuator haud hauerite haughtonite haul interphase reactor interphase transformer interphone interplanar spacing interplanetary dust interplanetary flight interplanetary magnetic field interplanetary medium interplanetary probe interplanetary space interplanetary spacecraft interplanetary transfer orbit interpluvial interpolation

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