美國做精美儀器公司就如蘋果手機每年出新型號.每年更新換代錢沒這麽多,但幾年不更新出來數據就落後.

來源: 5181 於 2026-05-17 16:38:52 [舊帖] [給我悄悄話] 本文已被閱讀：次

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