单词	oxygen-deficient air
释义	oxygen-deficient air 🌏缺氧空气
随便看	double leter double letter double-level Double level Bayesian models double level bridge double level fuzzy comprehensive judgement double level grammar double-level hysteresis controller double leveling double-level intake tower double levelling double-level-metal double level metallization double level method double-level neural network double-level non-linearity double level PCNN double level planning model double level polysilicon double level polysilicon mos structure Double level positive ventilation double-level road double level routing double level store double-level structure