helical body
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美
- 螺旋体
相关词汇
helical lug
helical
Helical groove in bearing bore
helical-band friction clutch
helical-conveyer centrifugal
helical-surface of the screw
helically bladed screw conveyer
Helical or Base-Paired region
helical computerized tomography
helical-corrugation waveguide
helical scan magnetic recording
helical-path mass spectrometer
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