1, careful driving, driving slowly, driving, need to adjust the rear-view mirror and seat, to fasten the seat belt, and to keep good distance with others ······ These safe driving commerc.......

Crop leaf is the most important organ for the production of photosynthetic substances in crops, so its importance is self-evident. In the field of agricultural research, the use of instruments such as leaf area meters to study the leaf area of ​​various crops is cur.......

The transport of timber is related to economic infrastructure. For large timber transporters, the transport efficiency of timber should be improved so that better economic benefits can be achieved. So how .......

The communications command vehicle is an important part of modern rescue equipment. This type of vehicle is mostly used for large-scale disaster rescue operations or disaster relief exerci.......

At present, the domestic drying equipment industry has always had a complex brand, lack of technology, and low productivity, which seriously restricts the development of China's drying industry and hinders China's advancement to the international market. We should introduce advanced tec.......

With the advent of the multi-media era, the means of marketing are increasingly diversified, and even cars on the road are marked with a variety of advertising. Every day people walking on the road see the.......