confectionery_词根_词源_同根词... ... latent defect 潜在缺陷 hidden defect 内在瑕疵 effectiveness n. 成效；有效；效力；生效 ...

隐藏的缺陷,concealed... ... ) concealed defect 隐藏的缺陷 ) hidden defect 隐藏缺陷 ) hidden defect 隐形缺陷 ...

1、隐藏的缺陷（hidden defect）16-17