半圆体混合堤是长江口深水航道治理工程中堤坝主要结构型式之一。

Semi-circular composite dikes are one of the main structures in Yangtze Estuary Channel Regulation Project.

youdao

半圆体混合堤是长江口深水航道治理工程中堤坝主要结构型式之一。

Semi-circular composite dikes are one of the main structures in Yangtze Estuary Channel Regulation Project.

youdao