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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。
four-race roller bearing
four-rake classifier
four-ram steering gear
four-range
fourre
fourrine D
four ring
four ring snaffle bit
four-roll crusher
four-roller bit
four-roller mill
four roll mill
four-rope friction winder
four-rope winding
four-rotor engine
four-row cultivator
four rowed barley
four-row inter-row cultivator
four-row keyboard
four-row tapered roller bearing
four-screw driver
four-screw leveling head
four seasons
four seat crew capsule
four-seater
four-section cut
four-section support
four-section zig-zag harrow
four-shaft weave
four-sheet mineral
four-ship flight
four sided rotor
four sided scarfing machine
four-side planing
four silent-speed gearbox
foursome
foursome cabriolet
four species
four-speed gear box
four-speed gear shift
four-speed player
four-speed shutter
four speed transmission
four-spigot classifier
four-spindle automatic
four-spindle lathe
four-spindle numerically controlled lathe
four-spindle semiautomatic
four-spotted spider mite (Tetranychus canadensis)
four-square lock
four square tool
four stack diffusion furnace
four-stage
four-stage blower
fourstage cascade image intensifier
four-stage compressor
four-stage mass spectrometer
four-stage pump
four-stage supercharger
four-stage tandem accelerator
four-stand tandem cold strip mill
four-stand tandem mill
four-start
four-start spiral
four-start worm
four-state tube
four-step heat treatment
four step rule
four-strand double crossing over
four-strand mill
four strand rope
four strand round sennit
four strand stage
four-stroke
four-stroke cycle
four stroke cycle
four-stroke cycle engine
four stroke engine
four-stroke marine diesel
four-stroke motor
four-stroke oil engine
four-tailed bandage
four-tape
four-tape sort
four-terminal attenuation
four-terminal circulator
four-terminal constant
four-terminal device
four-terminal equation
four-terminal interstage network
four-terminal network
four-terminal oscillator
four-terminal resistor
fourth
fourth dimension
fourth finger
fourth-generation computer
fourth normal form (4nf;FNF)
fourth officer
fourth-order reaction
fourth pinion
fourth rail
fourth-rail in sulator
four-thread tram silk
four-throw
four throw crank shaft
fourth speed
fourth speed gear
fourth stomach
fourth ventricle
fourth wire
four-tine grapple
four-tone telegraph system
four-track line
four-track recorder
four-track sound recording
four-track tape
four-tube camera
four-turn road
four types of soil
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