词汇	歌咏大会
释义	歌咏大会 singing gathering
随便看	defects of nasal tip defects of norms defects of small property housing Defects of soft tissue defects of speech defects of supervision defects of teaching Defects of the nose defects of the thing defects of vision defects of voice defects of void hole defects of welding defects of weld seam defect solid defect solid chemistry defect solid solution defects per hundred unit defects per hundred units defects per unit defects per unit chart Defects Per Unit Contro Chart defect sporadic defect spot defects prevention