He spray, which is harmless to the environment, can be used to protect against disease, guard vineyards against fungal threats and coat the nose cones of high-speed trains, it has been claimed.
据称，一种对环境无害的喷雾能用来预防疾病、防范真菌对葡萄园的威胁，覆盖高速列车的鼻锥。
All aircraft generate two cones, at the nose and at the tail.
所有的飞机都会产生两个气体圆锥，一个在头部，一个在尾部。
All aircraft generate two cones, at the nose and at the tail.
所有的飞机都会产生两个气体圆锥，一个在头部，一个在尾部。
应用推荐