on duty
相关英语词汇推荐
- broom
- in-line image
- natural convective heat transfer
- vibratory converter
- self-tempering
- direct-axis transient voltage
- slip curve
- most unfavorable steam supply main
- rectifier protection
- gravitational mass
- surroundings
- D-D reactor (deuterium-deuterium reactor)
- fuel tank
- heteropolar inductor generator
- spindle bearing
- cut-through switching
- illuminating aperture angle
- mode,normal
- coherent
- write up