每根钢丝进行了镀锌处理，悬索也要涂上防腐层。

Each wire is galvanized and the cable is covered with a protective coating.

youdao

每根钢丝进行了镀锌处理，悬索也要涂上防腐层。

Each wire is galvanized and the cable is covered with a protective coating.

youdao