Air-entraining agent increases impermeability of hybrid fiber concrete.引气剂有助于提高混杂纤维混凝土的抗渗性。Even an air - entraining agent can be used because the minute pores are discontinuous.甚至可以使用加气剂,因为小的气孔是不连通的.Third, the option of ...
The technology uses an electrochemical process to produce electricity.这种技术利用电气化学反应发电。Correspondingly, any complete electrochemical cell can be separated into two hypothetical half - cells.同样, 任一完整的化学电池也可分为两个假设的半电池.Black ...
在这里,外科医生执行一次囊肿胃造口术, 排除了 非 癌生长的胰腺.Here a surgeon performs a cyst gastrostomy, the removal of non - cancerous growths from the pancreas.在影像科于局部麻醉下行经皮透视下胃造口术.They contraindicated for percutaneous endoscopic and then receive...
A stampede broke out when the doors opened.门一开,人们蜂拥而出。There was a stampede of panic - stricken crowd from the burning hotel.一群惊惶失措的人们,从失火的旅馆中跑了出来.a stampede towards the exit朝出口逃窜...a stampede by South African farmers to ...