bull whell,big gear wheel; bull gear,master gear
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- most unfavorable steam supply main
- surroundings
- gravitational mass
- direct-axis transient voltage
- illuminating aperture angle
- cut-through switching
- coherent
- vibratory converter
- broom
- spindle bearing
- write up
- self-tempering
- natural convective heat transfer
- in-line image
- rectifier protection
- heteropolar inductor generator
- slip curve
- D-D reactor (deuterium-deuterium reactor)
- fuel tank
- mode,normal