张雁全

视频简介

兰州大学的科考队照例进入甘肃盐池自然保护区进行例行考察，在盐池湾，他们有了重大发现，不仅发现了野牦牛的群落，还发现了雪豹的踪迹。。Although they are only janitors at a detective agency, the boys pass themselves off as sleuths and are engaged to guard an inventor delivering a new bomb. They outwit enemy agents after the bomb and wind up sinking a Japanese submarine.。