APP 一種利用彈簧裝置,將針迅速刺入皮下以減痛感的用具。A kind of tool with spring mecha-nism which is used to insert the needlequickly into the skin to reduce the painduring insertion.......（本文共 133 字） [閱讀本文] >>
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一種利用彈簧裝置,將針迅速刺入皮下以減痛感的用具。A kind of tool with spring mecha-nism which is used to insert the needlequickly into the skin to reduce the painduring insertion.......（本文共 133 字） [閱讀本文] >>
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