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數顯透射式黑白密度計 HM—600數字式透射黑白密度計，配備探測傳感器，是科電公司通過大量試驗，研制的一款高精密儀器，具有體積小、重量輕、操作簡單、攜帶方便、準確度高、穩定性好等特點。時間：2023-05-16型號：HM-600廠商性質：生產廠家瀏覽量：974