imperfect design

• 设计缺陷

imperfect design的用法和样例：

例句

1. Serious design flaws present that compromise product quality.
   有严重的设计缺陷危及产品质量。
2. The Dreadnaught is plagued by a number of design flaws that prevented it from becoming a preeminent ship of the line.
   无畏级重型巡洋舰有着一系列的设计缺陷，使它无法成为一种卓越的舰种。