1. 凹模 die
  2. 凹模厚度 die thickness
  3. 凹模固定板 die holder
  4. 凹浮雕 intaglio rilevato
  5. 凹点 trough
  6. 凹版 intaglio
  7. 凹版制版 gravure plate-making
  8. 凹版印刷 gravure
  9. 凹版印刷机 press
  10. 凹版印刷法 woodburytype
  11. 凹版印版 intaglio plate
  12. 凹版摄影 heliogravure
  13. 凹版法 intagliotype
  14. 凹版纸 plate paper
  15. 凹版线条画 line engraving
  16. 凹版胶印 intaglio offset
  17. 凹版腐蚀法 deep-etch process
  18. 凹版雕刻 recess engraving
  19. 凹球面镜 concave spherical mirror
  20. 凹痕 indenture
  21. 凹纹 dimpled grain
  22. 凹纹印刷 spanishing
  23. 凹纹压路机 indented roller
  24. 凹纹轮胎 well base tyre
  25. 凹耳 female lug
  26. 凹腔 cavity
  27. 凹腔型 reentrant
  28. 凹腔谐振器 dumb-bell resonator,reentran...
  29. 凹节 gab
  30. 凹节杆 gab lever
  31. 凹角 concave angle
  32. 凹边 concave edge
  33. 凹边锉 hollow-edged file
  34. 凹进 backoff
  35. 凹进部分 recess
  36. 凹透镜 concave lens
  37. 凹部 dent
  38. 凹部电压 valley voltage
  39. 凹部电流 valley current
  40. 凹镜 concave mirror
  41. 凹陷 hollow
  42. 凹陷口 fossaperturate
  43. 凹陷成盘形 dish in
  44. 凹陷泉 depression spring
  45. 凹陷湖 downwarped lake
  46. 凹陷花边 gorge
  47. 凹陷角 angle of chamfer
  48. 凹陷骨折 depressed fracture
  49. 凹雕 intaglio
  50. 凹面 camber concave

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