concrete spraying

• 混凝土喷洒

concrete spraying的用法和样例：

例句

1. Remedy is spraying anti - termite syrup.
   补救方法是喷洒防白蚁药水。
2. People are spraying insecticide on the fruit trees with sprayers.
   果园里，大家正在用喷雾器给果树喷洒杀虫剂。