“ventilation for deep open pit”的概念、定义、翻译、参考文献-科学参考

单词	ventilation for deep open pit
释义	ventilation for deep open pit Encyclopedia 工学矿床露天开采释 ventilation for deep open pit深凹露天矿通风采用自然通风或人工通风的方式，实现深凹露天矿坑内的风流交换，使露天矿大气的品质达到规定标准的作业过程。
随便看	ground search & rescue groundsel ground set ground sharks ground shock ground sloth ground source heat pump ground source heat pump air-conditioner ground source heat pump heating ground spectrometer ground state ground state degeneracy polymer semiconductor ground-state depletion effect ground state depletion microscope ground state energy ground state of atom ground state rotational band ground state spontaneous fission ground-state spontaneous fission ground station ground-structure method ground subsidence induced by dewatering of foundation pit engineering ground subsidence survey ground substance ground support equipment

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