Abstract: Introduce the types of primers on the concrete surface of railway bridges, and the adhesion mechanism on the substrate, and the special primers for dry concrete and wet concrete surface.是什么意思_Abstract: Introduce the types of primers on the concrete surface of railway bridges, and the adhesion mechanism on the substrate, and the special primers for dry concrete and wet concrete surface.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句