“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	proton [precession] magnetometer proton precession magnetometer proton-proton chain proton proton correlation proton-proton correlation proton proton cycle proton-proton cycle proton-proton cycle, p-p cycle proton-proton reaction proton pump proton pump inhibitors proton radioactivity proton reaction proton reaction chain proton recoil proton-recoil detector proton resonance proton-rich isotope proton rich nucleus proton-rich nucleus proton rich nuclide proton-rich nuclide proton separation energy Proton series launch vehicle proton skin

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