关键问题是损失了多少油以及还会损失多久。
The crucial question is how much oil will be lost, and for how long.
然而，潜油电泵机组的综合故障率较高，给油田造成重大损失。
ESP high comprehensive failure rate, however, brought heavy loss to oil field.
然而，潜油电泵机组的综合故障率较高，给油田造成重大损失。
ESP high comprehensive failure rate, however, brought heavy loss to oil field.
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