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These formula can be used in engineering.
这些公式可直接应用于工程实践。
youdao
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An approximate formula of voltage loss for application of engineering is given.
给出了便于工程应用的电压损失近似计算公式。
youdao
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An approximate formula of voltage loss for application of engineering is given.
给出了便于工程应用的电压损失近似计算公式。
youdao