gravis type的用法和样例：
例句
- Conclusion NACI is a common complication in patients with hepatitis gravis and opportunistic bacteria are main pathogens.
结论重型肝炎患者易发生医院内腹腔感染，病原菌以条件致病菌为主。 - Objective Discuss the relationship heavy type craniocerebral trauma and blood sugar level, electroencephalogram changes.
目的探讨重型颅脑外伤患者血糖水平与脑电图改变的相关性。
