Warning: file_put_contents(/www/wwwroot/zidian/02956.cn/cache/34509e9ef10524e4edfebf16c015190f.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/02956.cn/index.php on line 58 roadstone是什么意思，roadstone的翻译，roadstone音标、读音、用法和例句_花燈集英語字典
The paper states the development and application of raw material as cement, fertilizer and the roadstone and the recovery of useful componants are also discussed. 竝對它們作爲水泥、肥料生産和築路工程中的原材料及有用組分廻收等方麪的開發利用進行了探討。