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selective laser sintering forming coated sand
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selective laser sintering forming coated sand
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工学
选区激光烧结成形
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selective laser sintering forming coated sand
选区激光烧结成形覆膜砂
激光选区烧结成形制造覆膜砂的过程中,砂表面的酚醛树脂覆膜受热产生软化和固化,使覆膜砂颗粒黏结在一起,通过逐层烧结后形成复杂的三维砂型(芯)。
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statistics of agricultural added value
statistics of agricultural economic benefits
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statistics of talent
statistics of water utilization
statistics of work safety accidents
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statistics on R&D inputs
statistics on science and technology
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更新时间:2025/12/30 17:39:34