While installation, transport and other industrial accidents of the petroleum pipeline, it is unavoidable to encounter various damage and defect, such as surface flaw, crack, etc.

石油管线在安装与油气输运过程以及其他工业事故中，难免会产生各种各样的损伤和缺陷，如出现表面凹坑、裂纹等。

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Defect expression is an important theory in the civil law, genre analysis on it can clear the different and similar of the meaning flaw.

瑕疵意思表示是民法中的一个重要理论，对其进行类型化的分析，可以辨明相关各种瑕疵意思表示形态的异同。

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The common structural defect of large-scale rudder horn casting steel and its cause of flaw were analyzed, the smelting and heat treatment technology of casting steel was pointed out as well.

分析了挂舵臂铸钢件常见的组织缺陷及产生原因，提出了铸钢件的冶炼及热处理工艺。

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It listed among the possibilities a manufacturing flaw, a design defect or problems with external systems that charge and discharge the battery.

CNN: Boeing can conduct Dreamliner test flights

After Monday's fire, the big question for Boeing will be whether the issue is a manufacturing defect, which can be fixed relatively cheaply, or a design flaw, which might require expensive redesign and rework on existing planes, said Citi analyst Jason Gursky.

NPR: Boeing Defends Dreamliner, Safety Questions Remain