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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 tubular shaft double-tuned amplifier double-tuned circuit double-tuned coupling double-tuned detector
double tuning double twin double-twin coil shank double-twisting frame double-twisting machine
double twist spindle double-twist twisting machine double-type double type filter double-type trace heating
double U-groove double undulated preheater double-unit motor double-unit system double urethra
double urinary meatus double uterus double vacancy double valley double value
double valve double-vane double-vane attenuator(-ter) double variation method double vault
double V butt joint double vee clutch double velvet loom double vernier double-V groove weld
double V groove with root face double vision double vision test double voltage connection double voltage rating
double vote registered shares double wall double-wall cofferdam double-walled bell jar double-walled piston
double walled tank double-walled well double warp double warp machine double-water flow model
double water glass double-water internal cooling double wave double-wave detection double-way circuit
double-way connection double-way rectifier double-webbed girder double webbed plate arch double webbed wheel
double-web section double-wedge double wedge double-wedge aerofoil double-wedge section
double-welded butt joint double-welded lap joint double welt double wheel plow double whip grafting
double-width press double winding armature double-winding synchronous generator double window double wire-armored cable
double wire mask double wire-srmo(u)red cable double-wire system double word double-word addressing
double word boundary double-work double worked tree double worm mixer double worm screw
double worsted double(-wound) coil double-wound relay double-wound rotor double-Y connected rectifier
double-yolked egg double-Z-arm mixer double-Zepp antenna double zone gas producer doublication
doubling doubling and lapping machine doubling and plaiting machine doubling and rolling machine doubling and tacking machine
doubling and twisting machine doubling calender doubling circuit doubling course doubling dilution
doubling dose doubling effect doubling fillet doubling frame doubling method
doubling (-over) test doubling piece doubling plate doubling plate (加强用) doubling prism
doubling register doubling roller doubling the angle on the bow doubling thread doubling time
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