roadstone
基本解釋
- n.筑路石料
英漢例句
- 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.
并對(duì)它們作為水泥、肥料生產(chǎn)和筑路工程中的原材料及有用組分回收等方面的開(kāi)發(fā)利用進(jìn)行了探討。