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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。

helicab helical helical accelerator helical aerial helical angle
helical antenna helical band helical-band friction clutch helical-beam antenna helical blade
helical blower helical Bourdon tube helical casing helical cast helical circuit
helical coil helical compression spring helical contact helical conveyer helical-conveyer centrifugal
helical convolute helical curve helical cutting helical delay cable helical diagram
helical digger helical dislocation helical eyepiece helical fan helical fibre
helical field helical fin helical-fin section helical flash lamp helical flash tube
helical-flow turbine helical forging helical-form container (区域熔炼) helical gas lens helical gear
helical gear cutting helical gear hub helical gearing helical gearing hypoids helical-gear pump
helical gear shaft helical gear with helix angle helical gear with jaw helical heater helical hinge
helical instability helical-knife cutter head helical lamp helical land helical lens
helical linac helical line helical line type filter helical-lobe compressor helically
helically bladed screw conveyer helically-welded case helically welded tube helically-wound helical manometer
helical master helical (mill) cutter helical milling helical mixer helical motion
helical mo(u)ldboard helical mount helical oil groove helical orbit helical pinion
helical pinion cutter helical pitch helical plating stress tester helical plow helical polarization
helical potentiometer helical pressure tube helical propelling sleeve helical rack helical rake angle
helical rake angle (铣刀片的) helical ramp helical recording helical reinforcement helical resonator
helical runner helical scan helical screw pulp conveyer helical-shell conical shaped bowl helical slit drum
helical spline broach helical spool helical spring helical steel support helical stump cutter
helical symmetry helical symmetry virus helical tank helical tip speed helical tooth
helical tooth(milling)cutter helical type pump helical vibration feeder helical-weld pipe helical wheel
helical winding machine helical worm gear helical wound spring helical xenon-arc lamp helical xenonarc lamp
helicine helicine arteries helicitic texture helicity Helicobacterium
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