“gravel and rock”的概念、定义、翻译、参考文献-科学参考

单词	gravel and rock
释义	gravel and rock Encyclopedia 工学水泥混凝土释 cemented sand；gravel and rock；CSGR胶凝砂砾石用适量胶凝材料（包括水泥、粉煤灰等）与砂、砾、石拌合一起，在摊铺后通过振动碾压或振捣形成的具有一定强度的筑坝材料。
随便看	primary somatosensory cortex primary source primary spectrum primary spectrum, first-order spectrum primary spermatocyte primary stage of socialism primary standard primary standard dosimeter primary standard for airborne sound pressure primary standard for OCTG threads primary standard for sound pressure in water primary standard for ultrasound power primary standard light source primary standard machine of shore hardness primary standard machine of vickers hardness primary standard material primary standard of absorbed dose to water primary standard of air kerma primary standard of angle metrology primary standard of diffuse transmitted visual primary standard of exposure primary standard of flatness primary standard of illuminance primary standard of laser small angle primary standard of laser wave length

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。