Must have a double coat. The guard coat must be thick and coarse.

必须有双层毛，外层毛必须粗而硬。

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Nissan's Scratch Guard Coat is currently available on the 2008 Infiniti EX35 luxury crossover utility vehicle.

尼桑的擦痕保护面漆目前已用在2008英菲尼提ex35型豪华多功能车上。

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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。

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