Stanley Wang is a site agent for a railway construction project in western China. He has just taken Matt and Paul, sales engineers from a small American company, on a tour of the tunnel.
Stanley Wang是中国西部一家铁路建设工程的代理人，他刚刚接待了来自美国一家小公司的销售工程师Matt和Paul，他们来进行隧道方面的业务。
2
The Overground, a once grubby railway that crosses the Olympic site, has new infrastructure.
地面上，穿越奥林匹克场地的曾经肮脏的跌路已经被新的基础设施取代。
3
Site operation shows that it is suitable for the power lines of electrified railway.