All pressure instruments shall have direct reading indication scales.

所有压力仪表应有直读指示刻度.

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Direct reading current meters are widely used in river, lake and ocean.

直读式流速仪在江河湖海的水文实验中得到了广泛的应用.

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Application and development of photoelectric direct reading spectrometry in analysis field are introduced.

介绍了光电直读光谱仪在各分析领域的应用及发展情况.

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Methods: This article adopted ion - selective electrode - direct reading method to determine the iodine in ionic - salt.

方法用离子选择性电极浓度直读法测定碘盐中微量的碘.

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Direct - reading turbidity sensor mostly used in quick measure for the different aim of monitoring water quality.

直读式浊度传感器可实现海水现场快速测量,满足不同的海洋监测要求.

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