这就意味着要剪断已经存在的立管，但现在插在那儿的虹吸管正把油吸入驳船内。这样做就要冒一个严重挫败的险。
That would mean cutting the existing riser, but now that the siphon inserted into it is bringing oil up to the barges it means risking a serious setback.
英国石油公司表示今晚有望从墨西哥湾油井中用虹吸管把油抽走。
BP says it expects to siphon oil from a gushing well in the Gulf of Mexico later tonight.
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