“power shovel”的概念、定义、翻译、参考文献-科学参考

单词	power shovel
释义	power shovel [`pau̇·ǝr ´shǝv·ǝl] ^{MECHANICAL ENGINEERING} A power-operated shovel that carries a short boom on which rides a movable dipper stick carrying an open-topped bucket; used to excavate and remove debris.
随便看	thermal charge thermal climate thermal column thermal compressor thermal conductance thermal conductimetry thermal conductivity thermal conductivity cell thermal conductivity gage thermal conductor thermal convection thermal converter thermal coulomb thermal cracking thermal cross section thermal cutout thermal cutting thermal degradation thermal detector thermal diffusion thermal diffusivity thermal drift thermal drilling thermal ecology thermal effect

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