单词	parbola
释义	parbolaCOCA³¹⁵¹¹¹⁺⁴🌏折射率
随便看	noise reduction effect noise reduction factor noise reduction fan noise reduction fans noise reduction feature noise reduction in pump station Noise Reduction Manual noise reduction measures noise reduction mechanism noise reduction of electrical machine noise reduction paint Noise Reduction Rating noise-reductions noise reduction switch noise reduction system noise reduction technique noise reduction technology noise-reflecting material Noise reflection noise regulation noise regulation law noise regulations noise-rejected tube noise rejection noise removal