Terms containing single unit and

Subject	English	Spanish
stat., agric.	single unit technically and economically	unidad técnico-económica
transp., el.	tractive unit using two systems of frequency single-phase 50 cycle and 16 2/3 Hz	locomotora bifrecuencia monofásica 50-16 2/3 períodos
transp., el.	tractive unit using two systems of frequency single-phase 50 cycle and 16 2/3 Hz	automotor bifrecuencia monofásica 50-16 2/3 períodos
transp., el.	tractive unit using 1500 V d.c.and 50 cycle single-phase current	locomotora bicorriente de corriente continua 1500 V y corriente monofásica 50 períodos
transp., el.	tractive unit using 1500 V d.c.and 50 cycle single-phase current	automotor bicorriente de corriente continua de 1500 V y corriente monofásica 50 periodos