This paper analyzes the metering error of floating roof tank caused by the floating tray to guide the installation of liquidometer.

对浮盘所造成的浮顶罐计量误差进行了分析，用以指导液位仪安装。

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It presents the guidelines on how to adjust the installation location and incidence of stall warning device, and also discusses the reasons for metering of stall warning speed with indicated airspeed.

提出了如何调整失速警告器安装位置和安装角的指导性原则，论述了用表速计量失速预警速度的理由。

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This type of voltage transformer is an outdoor installation for metering of electric energy, also called electric metering box after equipped with the instrument box for electric energy metering.

本型互感器为户外电能计量装置。与电能计量仪表箱配置后又称为电力计量箱。

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As for increased use of water metering, the consumer body described the concept as fair but stopped short of supporting the compulsory installation of meters across the whole of England and Wales.

BBC: Analysis