单词	迪哈
释义	迪哈Dira
随便看	double curvatured suface double curvatured surface double curved arm of pulley double-curved blade double curved line double curved surface double curved surface of revolution double curved surface of transposition double curve turnout double-curve turnout double curve turnout in opposite direction double curve turnout in the same direction double cusp double-cut double cut file double-cut file double cut off saw double cut-out cock double-cut saw double cutting drill double-cutting drill double cycle double cyclone double cyclone(separator) double-cylinder dobby