Galvanized steel pipe, ERW black pipe, square and rectangular hollow section, galvanized strip, square bar, flat bar, angle bar, hot rolled strip, cold rolled strip, steel plate.是什么意思_Galvanized steel pipe, ERW black pipe, square and rectangular hollow section, galvanized strip, square bar, flat bar, angle bar, hot rolled strip, cold rolled strip, steel plate.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句