If the steel is subject to heavy salt-water spray or salt-laden fog.

如果钢材暴露于浓度较大的盐水喷雾或含盐雾。

youdao

If the steel is subject to heavy salt-water spray or salt-laden fog.

如果钢材暴露于浓度较大的盐水喷雾或含盐雾。

youdao