Most digital read - outs on laboratory instrument, calculator and watch use lead display.

实验仪器 、 计算机、手表的数字读出大多是二极光显示.

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OUMAI is a famous brand in European & International fundamental laboratory instrument & equipment field.

OUMAI 是欧洲国际基础实验室仪器装备领域中著名的品牌.

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