患者可能会频繁发病。The sufferer can experience frequent relapses.这种药能降低发病次数和严重程度.The drug can reduce the frequency and severity of attacks.90%的病人在6个月内会再次发病。In 90 per cent of cases the patient will relapse within six months....
It consists of feeder hopper, outlet hopper, discharge chute and luffing mechanism.由进料斗 、 出料斗 、 排料槽及变幅机构构成.Little Timmy is a noisy feeder.小蒂米吃东西时发出响声.The ultrabasic bodies are generally concordant intrusions, with relate...