| Subject | English | Spanish |
| transp. | axle with double wheels | eje de ruedas gemelas |
| tech. | butt joint with double treble chain rivet | junta a tope con remachado doble en cadena (o paralelo) |
| mech.eng. | carburettor with double venturi | carburador de doble difusor |
| transp., nautic. | compartments with a double bottom | compartimentos de doble fondo |
| mech.eng. | container with double bottom | recipiente de doble fondo |
| tax. | Convention between the Federal Republic of Germany and the United States of America for the Avoidance of Double Taxation and the Prevention of Fiscal Evasion with respect to Taxes on Income and Capital and to certain other Taxes | Convenio entre la República Federal de Alemania y los Estados Unidos de América relativo a la eliminación de la doble imposición y a la prevención de la evasión fiscal respecto de los impuestos sobre la renta y el capital y de algunos otros impuestos |
| tax. | Convention on the accession of the Republic of Austria, the Republic of Finland and the Kingdom of Sweden to the Convention on the elimination of double taxation in connection with the adjustment of profits of associated enterprises | Convenio relativo a la adhesión de la República de Austria, de la República de Finlandia y del Reino de Suecia al Convenio relativo a la supresión de la doble imposición en caso de corrección de los beneficios de empresas asociadas |
| tax. | Convention on the Elimination of Double Taxation in connection with the Adjustment of Profits of Associated Enterprises | Convenio relativo a la supresión de la doble imposición en caso de corrección de los beneficios de empresas asociadas |
| gen. | Convention on the Elimination of Double Taxation in connection with the Adjustment of Profits of Associated Enterprises | Convenio de Arbitraje |
| tech., industr., construct. | cross or parallel wound package with former on double flanged bobbins | bobinado cruzado o paralelo con recorrido longitudinal sobre carrete de dos balonas |
| gen. | double containment with pump-back | contención doble con retroaspiración |
| met. | double cordon gas welding with one operator | soldadura de doble cordón con un solo operario |
| met. | double cordon gas welding with two operators | soldadura a doble cordón con dos operarios |
| tech., industr., construct. | double cylinder circular machine with large diameter | máquina circular de gran diámetro de fontura doble |
| tech., industr., construct. | double cylinder hosiery machine with small diameter | telar para artículos de calcetería de pequeño diámetro de cilindro doble |
| tech., industr., construct. | double needle bed circular machine with large diameter | máquina circular de gran diámetro de fontura doble |
| gen. | double packed stuffing box with stem leakoff connection | prensaestopas de doble empaquetadura con conexión de fuga de vapor |
| agric. | double stalls with single-chain tying | establo canadiense de plaza doble |
| transp. | double turnout junction with switches worked by same lever | agujas de maniobra conjugada |
| transp. | double turnout junction with switches worked by separate levers | agujas de maniobra en cizalla |
| met. | double U groove with vertical sides | chaflán en doble U |
| met. | double Vee groove with root face | chaflán en X con bordes planos |
| life.sc., construct. | double wattling with fill | empalizado doble |
| life.sc., construct. | double wattling with fill | trenzado doble |
| soil. | double wattling with fill | empalizada doble |
| med. | double-blind comparative trial with a cross-over design | ensayo en doble-ciego cruzado |
| mater.sc., mech.eng. | double-seam bag with folded and sealed flap | bolsa de doble costura con orejetas plegadas y selladas |
| mater.sc., mech.eng. | double-seam bag with folded and sealed flap | bolsa con dos lados soldados |
| pack. | double-seam bag with folded and sealed flap | y aleta soldada (cerrada por soldadura) |
| pack. | double-seam bag with folded and sealed flap | bolsa con dos lados soldados (o pegados) |
| pack. | double-seam bag with folded and sealed flap | bolsa de doble costura soldadura con orejetas plegadas y selladas (cerradas) |
| construct. | double-tier formwork with sliding studs | encofrado ascendente con montantes deslizantes |
| chem. | flexible membrane with double compact envelope | membrana flexible con doble envoltura compactada |
| transp., tech., law | glass pane with a double curve | cristal de doble curvatura |
| el. | hemispherical-base cylinder with a double shell of zircaloy | cilindro con un fondo hemisférico y una vaina doble de zircaloy |
| industr., construct. | jointing guillotine with double-cut device | canteadora de cabeza móvil |
| transp., nautic., construct. | lock with double opposed gates | esclusa de cuenco doble |
| mech.eng. | platform truck with double upright ends | carretilla a mano con 2 respaldos |
| mech.eng. | platform truck with double upright sides | carretilla a mano con barandillas |
| agric. | platform with double-scissors extension arms | plataforma con paralelogramos extensibles y plegables |
| tax. | Protocol amending the Convention of 23 July 1990 on the elimination of double taxation in connection with the adjustment of profits of associated enterprises | Protocolo por el que se modifica el Convenio de 23 de julio de 1990 relativo a la supresión de la doble imposición en caso de corrección de los beneficios de empresas asociadas |
| earth.sc. | recombination with double excitation | recombinación con doble excitación |
| load.equip. | rider pallet truck with double pallet fork | transpaleta con doble horquilla para paletas (n.f.) |
| load.equip., mexic. | rider pallet truck with double pallet fork | patín de conductor con horquilla doble |
| load.equip., mexic. | rider pallet truck with double pallet fork | transpaleta de conductor con doble horquilla |
| mexic. | rider pallet truck with double pallet fork | transpaleta de conductor con doble horquilla (n.f.) |
| mexic. | rider pallet truck with double pallet fork | patín de conductor con horquilla doble (n.m.) |
| met., el. | rotary converter with special double winding | conmutatriz para soldeo por corriente continua |
| chem., el. | screw-down stop valve with double seat | válvula equilibrada |
| chem., el. | screw-down stop valve with double seat | válvula de doble asiento |
| construct. | single surface dressing with double chipping | simple tratamiento superficial con doble engravillado |
| nat.sc., agric. | trellis with double traverse | alambrada con doble traviesa |
| industr., construct. | vamp with double cap | pala de doble puntera |
| energ.ind. | vessel with double wall | depósito de doble pared |
| load.equip., mexic. | walkie pallet truck with double pallet fork | patín de doble carga con conductor de pie |
| load.equip. | walkie pallet truck with double pallet fork | transpaleta con conductor de pie para doble carga (n.f.) |
| mexic. | walkie pallet truck with double pallet fork | patín de doble carga con conductor de pie (n.m.) |
| met., el. | welding transformer with three phase input and single phase double frequency output | transformador trimonofásico doblador de frecuencia para soldeo |
| transp. | with double track | en doble vía |