Welcome to take rail transit line No.5, our destination is Minhang Zone.欢迎乘坐轨道交通5号线, 本次列车终点站:闵行开发区站.The transit line is an integral transportation link for the 2010 Winter Olympics.该隧道是温哥华为2010年冬季奥运会打造的一条完整地下线路.Rail Tran...
That's exactly what researchers at the French firm Genset think they've come up with.这正是法国基塞(genset)公司研究人员考虑的问题,他们已实现了这一愿望.Our C, CL, CLE series of genset adopt half open structure which will reduce noise much....
颊窝毒蛇的毒牙是长的空心管子.The fangs of pit vipers are long, hollow tubes.只有四分之一的蛇具有毒液和毒牙.Venom and fangs are found in only a quarter of all known snakes.在蛇的进化史上,毒牙的出现是新的进步.A more recent advance in the evolutionary story of snakes i...