In general, twenty percent extra power is the standard spinning reserve on the grid.

一般来说，电网的标准热备用是20%。

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Check power tongs and spinning rope are on drill floor.

检查动力钳和尾绳是否在钻台上。

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Check power tongs and spinning rope are on drill floor.

检查动力钳和尾绳是否在钻台上。

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