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.
我國粉沙質海岸、河口地區等區域常有鉄板沙出現，帶來許多工程問題，開展相關問題的研究十分必要。 返回 river silt engineering