“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	contravariant set system contravariant spinor contravariant tangent bundle contravariant tensor contravariant tensor algebra contravariant tensor field contravariant valence contravariant vector contravariant vector field contributing source contributing source, CSRC contribution Contribution Margin contribution Monte Carlo method contribution of injury and disease contribution plot contribution rate contribution rate about fisheries science and technological progress contribution rate adjustment contribution rate of agricultural mechanization contribution rate of science and technology progress contribution rate of social insurance Contributions from Jiangsu Physicians Contributions of The Astronomical Observatory Skalnate Pleso control

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