In this paper, on the base of analyzing physical property of fly-ash from Jiulong gangue power station and concrete mix in mine, the designation of fly-ash concrete composition was proceeded.是什么意思_In this paper, on the base of analyzing physical property of fly-ash from Jiulong gangue power station and concrete mix in mine, the designation of fly-ash concrete composition was proceeded.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句