“standard penrtration test”的概念、定义、翻译、参考文献-科学参考

单词	standard penrtration test
释义	standard penrtration test Encyclopedia 工学岩土工程原位测试释 standard penrtration test标准贯入试验用63.5千克穿心锤，以76厘米的自由落距，将标准规格的贯入器在钻孔底预打15厘米，测记再打入土中30厘米的锤击数（N）的原位测试技术。
随便看	grazing path grazing period grazing permit grazing planning grazing plot grazing pressure grazing prohibition grazing rate grazing resistance grazing return grazing season grazing system grazing tolerance grazing trial grazing unit grazing withdrawal project in China GRB GRE grease greasy coating greasy grouper Great Abaco Island Great-accomplishment Boxing Great Admonition of Ming Dynasty Great Arabic Uprising

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。