The raw-material silo and clinker silo of the Deyu Cement Mill have been currently the largest plain concrete material silos in our country.是什么意思_The raw-material silo and clinker silo of the Deyu Cement Mill have been currently the largest plain concrete material silos in our country.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句