root circle meaning in Chinese
齿根圆（根圆）
根圆
Examples
- Contact pressure , hysteresis and no - even pressure ratio of no - gradual - enlargement finger seal under different length ratio and root circle of no - gradual - enlargement finger seal are constructed and analyzed , rules are summarized
本文对非渐扩形结构指尖密封在不同宽度比和根圆外径下的接触压力、迟滞率及偏载率等特性进行了作图、分析，得出了相应的规律。