单词	marginal species
释义	marginal species 边缘种
随便看	DC speed adjusting device DC speed-adjustment DC speed control DC-speed controller DC speed control system DC Speeder DC speed governing DC speed governing system DC speed regulating DC speed regulating system DC speed-regulating system DC speed regulation DC speed regulation system DC speed regulator DC speed-regulator DC Speed-Varying DC spot welding DCS Power Substation DC sputtering DC starting generator DC starting generator, dynastarter dc static converter dc static convertor DC step-up converter DC stringing electric locomotive