单词	ratio of silicon to carbon
释义	ratio of silicon to carbon 硅碳比
随便看	direct-viewing receiver direct viewing screen direct viewing storage direct viewing storage tube direct-viewing storage tube direct-viewing system direct-viewing teaching direct-viewing teaching method direct viewing tube direct-viewing tube direct-viewing TV receiver direct viewingtype direct viewing type direct viewing type ultrasonic thickness gauge direct viewin kinescope direct-view intensification device direct view irradiation direct-view kinescope direct view magnifier Direct View Optics direct-view picture tube Direct View Radar Indicator direct view receiver direct-view receiver direct view screen