Objective: It's hard to recover beautiful outlook or function for biggish labial part defect and medium sized intraoral defect.

目的： 对于较大的唇部缺损及中等大小的口腔内缺损，在一期修复时，往往难以达到既能恢复其美观又不影响其功能。

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Part 9: system builds and testing; defect tracking; product acceptance.

第9部分：系统构建和测试；缺陷跟踪；产品交付。

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The defect of transformer inner insulation is the main element causing the part discharge of the transformer.

变压器内部绝缘的缺陷是引起变压器局部放电的主要原因。

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Before setting off from Aberdeen, the report stated that the helicopter was serviceable, except for a "deferred defect", affecting part of its ice detection system.

BBC: Crash report urges safety checks