antifrost smoke projector

例句：

1. 1.The anti-frost smoke projector is a crucial tool for farmers in cold regions to protect their crops from frost damage.
   反风烟幕投射器是寒冷地区农民保护作物免受霜冻损害的关键工具。
2. 2.In the winter, the anti-frost smoke projector helps farmers by creating a layer of fog that can protect plants from freezing temperatures.
   在冬季，反风烟幕投射器通过创造一层雾来保护植物免受低温的影响。
3. 3. The anti-frost smoke projector has become an essential piece of equipment for many agricultural operations,especially in areas with harsh winters.
   反风烟幕投射器已成为许多农业操作中必不可少的设备，尤其是在那些冬季严寒的地区。