长管柱
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long-span prestressed beam string pipe 大跨度预应力张弦式管道
long pipe string
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Criticism of the disaster has sprung in part from decisions made over the design of the BP well, which used a single pipe, known as a "long string", that ran from the sea floor to the bottom of the well.
BBC: Oil spill: BP 'did not sacrifice safety to save money'
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