刷涂新漆前须脱除旧漆膜，旧的脱漆方式对桥梁钢结构表面和环境都有一定损害，采用水性脱漆剂已成为目前研究的热点。

Before given a new coating, the aging coating has to be removed, but the old removing method may do some damage to the surface of the steel structure and the environment.

youdao

刷涂新漆前须脱除旧漆膜，旧的脱漆方式对桥梁钢结构表面和环境都有一定损害，采用水性脱漆剂已成为目前研究的热点。

Before given a new coating, the aging coating has to be removed, but the old removing method may do some damage to the surface of the steel structure and the environment.

youdao