Toughing of rubble in tyre is key to enhancing its strength of the interfaces of crystals.轮胎橡胶增韧的关键是要增强晶界之间的强度.Rescue workers are digging through the rubble in search of other victims.救援人员正在废墟中挖掘，以搜寻其他受害者。There were rigs...
Rescue workers are digging through the rubble in search of other victims.救援人员正在废墟中挖掘，以搜寻其他受害者。The fourteenth century cathedral was reduced to a mass of rubble.这座14世纪的大教堂变成了一堆瓦砾。Thousands of bodies are still buried under ...