It also exposed serious failures on the part of Shell and Nigeria’s national oil company NNPC, which it says failed to follow their own best operating practices.
它也暴露了壳牌和尼日利亚国家石油公司NNPC的一些严重问题，壳牌和尼日利亚国家石油公司并没有严格遵守他们最佳的操作标准。
It also exposed serious failures on the part of Shell and Nigeria’s national oil company NNPC, which it says failed to follow their own best operating practices.
它也暴露了壳牌和尼日利亚国家石油公司NNPC的一些严重问题，壳牌和尼日利亚国家石油公司并没有严格遵守他们最佳的操作标准。
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