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。
3
The spray equipment shall be adjusted so that coating is applied in a smooth and uniform coat.