1·Respiratory failure and refractory shock have been the most common causes of death.
呼吸衰竭和难治性休克属于最常见死因。
2·Disabling, refractory knee pain that meets both of the following criteria.
禁用，难治性膝关节疼痛，符合以下两个条件。
3·Objective to evaluate the efficacy and safety of the covered retrievable metal stent in the treatment of refractory benign esophageal stricture.
目的评价全覆膜可取出金属支架治疗难治性食管良性狭窄的疗效和安全性。
4·Refractory epilepsy is with increased morbidity and mortality and poor prognosis, it has been always a difficult problem to neurological doctors.
难治性癫痫预后差，具有较高的致残率和病死率，是困扰神经科医生的一个难题。
5·Conclusion Individually designed covered retrievable metal stent is a safe and effective way to treat refractory benign esophageal stricture.
结论个体化设计的全覆膜可取出金属支架是治疗难治性食管良性狭窄的一种安全、有效的方法。
1·Meanwhile, gunned lining can reduce the refractory consumption on ladle liner and prolong the life span of the ladle and adapt to the fast speed CC production.
钢包内衬在使用至中、后期进行喷补维护，在延长包龄、适应全连铸快节奏生产需求的同时，降低了钢包内衬耐材消耗。
2·It is widely used in mining, metallurgy, refractory, cement, coal, glass, ceramics, and electric power industries.
广泛应用于矿山、冶金、耐材、水泥、煤炭、玻璃、陶瓷、电力等行业。