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simple reenforced anchorage

英 [ˈsɪmpl ˌriːɪnˈfɔːst ˈæŋkərɪdʒ] 美 [ˈsɪmpl ˌriɛnˈfɔrst ˈæŋkərɪdʒ]

单纯增力锚基；单纯增力安抗

医学

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