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1.The electrical engineer needs to ensure that the voltage specification is met in the installation process.
电气工程师需要确保在安装过程中满足电压规范。
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2. The power company must comply with the voltage specification for safe operation of the power grid.
电力公司必须遵守电压规范，以确保电网的安全运行。
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3.The new product has a voltage specification that is more efficient than its predecessors.
新产品的电压规格比其前代产品更高效。