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单词 rotational molding
释义

WordReference Random House Unabridged Dictionary of American English © 2024
rotational molding, 
  1. Metallurgya method for molding hollow plastic objects by placing finely divided particles in a hollow mold that is rotated about two axes, exposing it to heat and then to cold. Also called rotational casting. 

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更新时间:2025/7/23 16:14:29