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科学参考收录了1248194条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。

double coating double cog double coil double-coiled relay double coil filament
double-coil holder arrangement double-coil loudspeaker double-coil method double-coincidence of need double coincidence spectrometer
double-coincidence switch double cold reduction double cold reduction mill double-column hydraulic planer double-column ledger account
double-column machine double-column planer double-column planer milling machine double-column planing machine double-column tariff
double column type digital height gauge with dial double-column vertical boring machine double combing double combustion chamber double comb (禽)
double commutator motor double composition grease double compound turbojet double compression double-concave
double-concave lens double condenser double conductor double cone double-cone gasket
double-cone loudspeaker double-cone seal ring double conical rotary vessel double conical rotary vessel with jacket double-conical saw
double connection double-contact double-contact key double continuous curve double contraction
double contraction pattern double contrast cystography double contrast radiography of colon double contrast study of stomach double control
double control switch double conversion system double converter double convex double-convex
double-convex lens double-core barrel drill double core point double corkscrew double corridor
double cotton-covered wire double counting method double coupling piece double course double-cover butt joint
double crank double (crank) lock double-crank mechanism double-crank press double-crank ward bed
double-crank ward cot double cropping double cropping early rice double-cropping index double cropping late rice
double cropping rice double crop system double cross double cross hybrid double-crossing
double crossing over double cross welt double crown double crucible double-crystal diffractometer
double crystal spectrograph double-crystal spectrometer double-cup bearing double-cup insulator double currency
double-current double-current bridge duplex double-current cable code double-current furnace double current generator
double-current method double current method double-current relay double current return to zero system double-current system
double current transmission double curvature shell double curved surface double-curved surface double cut
double-cut file double cut-off saw double-cut planer double-cut plough double-cut saw
double-cutter shearing machine double-cutting bands double cutting bandsaw double cyclone double cylinder automatic rib machine
double-cylinder engine double cylinder engine double-cylinder gig double-cylinder jacquard double cylinder machine
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