本文对美国钢结构涂装协会的钢表面准备系列标准作了简要介绍。

This Paper has brief introduced the series of steel surface preparative standard.

youdao

本文对美国钢结构涂装协会的钢表面准备系列标准作了简要介绍。

This Paper has brief introduced the series of steel surface preparative standard.

youdao