A kind of cylinder jacket used in Marine diesel engine is very easy to damage because of adverse working conditions and inborn defect in design.

某船用柴油机气缸套由于其恶劣的工作环境，再加上先天性设计上的缺陷，因此很容易损坏。

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The prosecution argued that it was caused by a design defect in the plant and negligent operational practices.

VOA: standard.2010.06.10

Ms Hersman said they were now following up two lines of inquiry - the actual cause of the short circuit, and why the certification process failed to pick up the defect in the battery's design.

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But several other possibilities are being explored, including contamination or defect during manufacturing, flaws in the design or construction of the battery, and problems with battery charging.

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