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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 acting engine double-acting engine double-acting forcemeter double acting gas engine double acting gig
double-acting hammer double-acting hinge double-acting pawl double-acting pump double-acting relay
double-acting shock absorber double-acting sprayer double-acting steam engine double-acting steam hammer double acting steam hammer
double-action double action double action (acting) floor spring double action (acting) spring butt hinge doubleaction black japanned spring hinge
double action clutch double-action comber double-action die double-action disc harrow (双列圆盘靶) double-action disk harrow
double-action forming double-action gin double-action hammer double-action hinge double-action hydraulic press
double-action mechanical press double-action piston double-action press double action press double action spring bolt
double activity double-address double address double aging double air pump
double-alloy steel double altitudes double-amplification circuit double-amplitude double amplitude
double-amplitude-modulation multiplier double amplitude peak double anastigmat double-angle iron double(-angle) V-belt
double annealing double annual ring double anode double aortic knob double-aperture lens
double aperture slit double application double arcing double arc-melting double arc technique
double armature double armature motor double-armature relay double armoured cable double armo(u)ring
double-arm press double-articulated reductor double astrograph double athetosis double attenuator
double back gear double-back gear double back gear (车床的) double back-substitution double balanced mixer
double balanced modulator double-ball pitman arm double-bandmill double-band sawmill double-bank radial engine
double-bank switch double bar and yoke method double-barelled microelectrode double bar gauge doublebarrel
double barrel double-barrel-mud gun double-barrel transversostomy double base double-base diode
double base diode double-base junction diode double-base junction transistor double-base phototransistor double-base powder
double-base propellant double-base rocket propellant double-base transistor double bass double-battery gin
double bead double-bead double-bead lap joint double-beam double-beam cathode-ray tube
double-beam densitometer double beam double-focusing mass spectrometer double beam electric-null infrared spectrometer double-beam far-infrared Fourier spectrometer double-beam Fizeau fringes
double beam grating spectrophotometer double beam interferometer double beam microspectrophotometer double-beam oscillograph double-beam oscilloscope
double-beam photometer double beam photometer double-beam polarizer double-beam principle double-beam recording spectrophotometer
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