名词
中文翻译：内部缺陷
同义词：
['internalfault', 'internal flaw']
例句：
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1. The engine has an internal defectthat needs to be fixed.
发动机有内部缺陷需要修理。
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2. The software had a numberof internal defects that needed to be addressed.
软件存在许多内部缺陷需要解决。
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3. Thecompany was criticized for having an internaldefect in its safety procedures.
该公司因安全程序中存在内部缺陷而受到批评。