分析家认为很难断定今天的复升有多少归因于联邦储备局消息，有多少是归因于星期二卖空后的一个预期回升。
Analysts say it's tough to tell how much of today's rally is attributable to the Fed's news and how much to an expectable rebound (3) following the Tuesday's sell-off.
气举是目前行之有效的人工举升排水采气工艺，适用于水淹井复产、助排和气藏排水。
The gas lifting is an effect artificial lifting technical to dewatering gas recovery for the moment.
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