4.Right frontal encephalomalacia The frontal pole is largely replaced with the high signal of cerebrospinal fluid left after liquifaction necrosis in this old infarct.
右额叶脑软额极大部分被旧梗塞灶坏死后留下高信号脑脊替代。
5.Analysis on leakage reasons of chlorine liquefier were anlysed from manufacture, test and application. The liquefier was failure, and the protective measures were put forward.