Mainly introduce failure accident kinds and properties and typical cases in the domestic and at the a-board.

着重介绍了油气输送管道失效事故的类型及国内外典型案例。

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Failure accident are liable to occur in the deep well and hard formation. Fatigue faliure is the main faliure form.

特别是在深井作业中及硬地层，容易发生失效事故，其中疲劳失效是主要的失效形式。

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It briefly introduces failure and prevention in Oil and Gas Transmitting Pipeline, and failure accident report writing format regulation at the aboard.

简要介绍了油气输送管道的失效及预防、外失效事故报告规定。

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Schettino's first officer, Ciro Ambrosio, and six other officers both on the ship and from the firm Costa in Genova are under investigation over allegations including manslaughter, shipwreck and failure to report the accident, the prosecutor said.

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Schettino's first officer, Ciro Ambrosio, and six other officers both on the ship and from the firm Costa in Genoa are under investigation over allegations including manslaughter, shipwreck and failure to report the accident, the prosecutor said.

CNN: Costa Concordia salvage set to begin in May

Schettino's first officer, Ciro Ambrosio, and six other officers both on the ship and from the firm Costa in Genoa are under investigation over allegations including manslaughter, shipwreck and failure to report the accident, the prosecutor in the case has said.

CNN: Wrecked Costa Concordia to be raised from Italian sea bed