... precautionary range ==> 预先警告范围 precautions against earthquakes ==> 防震措施 precautions before welding ==> 焊接前的预防措施 ...
双语例句
1
We have to take all necessary precautionsagainstearthquakes.
我们必须采取所有预防地震的必要措施。
2
Eg 2. We have to take all necessary precautionsagainstearthquakes.
我们必须采取所有预防地震的必要措施。
3
It is important for taking precautionsagainstearthquakes and reducing disaster to popularize the knowledge of earthquake and improve scientific spirit for all nation people.