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silica sol bonded investing material =========================== ・ シリカ : [しりか] (n) silica, (n) silica ・ 系 : [けい] 1. (n,n-suf) (1) system 2. lineage 3. group 4. (2) type of person 5. (3) environment 6. (4) medical department (suf) ・ 没 : [ぼつ] 1. (n,n-suf) (1) discard 2. (2) death スポンサード リンク
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