river silt engineering
常见例句
- The consolidated silt is found in silty sand coast, river mouth etc. , which brings lots of engineering problems, which make it necessary to research on.
我国粉沙质海岸、河口地区等区域常有铁板沙出现，带来许多工程问题，开展相关问题的研究十分必要。 返回 river silt engineering