能源动力行业英语第2312页 ... down-holestring井下管柱 down-holetelemetrysystem井底遥测系统 down-holevolumetricmeasurement井下流体体积测量 ...
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downhill travel
下坡旅行
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Unlike humans, fires usually travel uphill much faster than downhill.
火跟人不一样，它通常山上比下山快。
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When the brakes are used as the buses travel downhill towards the city centre from the park-and-ride sites, energy is created and captured by the engine.
BBC: New ?2.5m eco-bus fleet goes into service in Bath
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