单词	optical back pointer
释义	optical back pointer 光学反向指示器
随便看	large-scale fertilizer plant large scale ffag magnet Large-Scale Field Experimentation Committee of large scale field immersion test largescale field test large scale field test large-scale field test largescale filtration large scale filtration large-scale filtration large-scale fire test large-scale fitness club large scale flanges large-scale flight delays large-scale floating roof tank large-scale floating sluice large-scale floor large scale floor plan large-scale floor plan large-scale flotation machine specification large-scale forest biomass model large-scale foundation pit large scale fractal structure large scale fracturing large-scale fritting furnace