密封蓄电池放电终止的判据如下，达到下述（）条件之一，可视为放_爱下问搜题

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密封蓄电池放电终止的判据如下，达到下述（）条件之一，可视为放电终止。

A、对于核对性放电试验，放出额定容量的30～40％

B、对于容量试验，放出额定容量的80%

C、电池组中任意单体达到放电终止电压。对于放电电流不大于0.25C10，放电终止电压可取1.8V/2V单体；对于放电电流大于0.25C10，放电终止电压可取1.75V/2V单体

D、对于容量试验，放出额定容量的75%

答案

参考答案：A, B, C

问答题

　Political and demographic changes within Europe, as well as the United States, also ensure that the transatlantic alliance will lose prominence. In Europe, the E.U. project still consumes the attention of many, but for others, especially those in southern Europe facing unsustainable fiscal shortfalls, domestic economic turmoil takes precedence. No doubt, Europe’s security challenges are geographically, politically and psychologically less immediate to the population than its economic ones. Mounting financial problems and the imperative to cut deficits are sure to limit what Europeans can do militarily beyond their continent. It is true that the era in which Europe and transatlantic relations dominated U.S. foreign policy is over.

问答题

高压回路上的工作中，关于移动或拆除全部或部分接地线的，有何严格规定？