“ordinary concrete”的概念、定义、翻译、参考文献-科学参考

单词	ordinary concrete
释义	ordinary concrete Encyclopedia 工学混凝土释 ordinary concrete普通混凝土以水泥、水、砂、石子等为原材料，经过搅拌、成型、养护硬化形成的混凝土结构。其干表观密度为2000～2800千克/米3人造石材，必要时普通混凝土还掺入化学外加剂和活性矿物掺合料。
随便看	average molar mass average molecular weight average neutron yield per fission averageneutron yield per fission average outgoing quality average outgoing quality limit average piston speed average population average pore diameter average potential theory average power average power meter average power of alternating current average probability average profit average quality average range average rate average rate of convergence average rate of profit average reservoir pressure average reward model average risk average rotation average run 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。