unsatisfactory quality

• 质量不合格

unsatisfactory quality的用法和样例：

例句

1. We are lodging a claim for inferior quality.
   我们要对质量不合格进行索赔。
2. In order to recoup their losses, Ms.Ma great sense of urgency to control hot water quality standards that require developers to assume liability.
   心急如焚的马女士为了挽回损失，以热水管质量不合格为由，要求开发商承担赔偿责任。