如何使用 "refractory" 造句

1. Clinical analysis of agedness refractory nosebleed in 20 cases .
老年难治性鼻出血20例临床分析。
2. The treatment of relapsed and refractory hodgkin lymphoma .
复发性和难治性霍奇金淋巴瘤的治疗进展。
3. Management experience in ceramics or refractory industry is strongly recommended .
具有陶瓷或耐火材料行业管理经验者优先。
4. To discuss the treatment of refractory nasal bleeding under nasal endoscopy .
探讨鼻内镜治疗顽固性鼻出血的疗效。
5. Effective refractory period of the left ventricle .
左心室的有效不应期。