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凹板包角 meaning in English

angle of contact of concave
concave wrap

Related Words

  1. 凹凹
  2. 凹
  3. 凹板 凹槽侧板 梯级搁板 梯形槽口板
  4. 凹板板条
  5. 凹板齿
  6. 凹板的杆条
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