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