According to the use requirements of the highway pavement base courses, through the test in laboratory, the determination method of the mix proportion of the lime fly-ash stabilized gravel-sand base courses is introduced.是什么意思_According to the use requirements of the highway pavement base courses, through the test in laboratory, the determination method of the mix proportion of the lime fly-ash stabilized gravel-sand base courses is introduced.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句