“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	astronaut operational ability in EVA astronaut postflight recovery astronaut psychological training astronaut safety astronaut selection and training astronaut training buildings（astronaut selection and training center） astronaut virtual reality training simulator astronaut workload evaluation astronaut’s health management astronavigation astronavigation, celestial navigation, celestial guidance astronegative astronette astronomer Astronomer Royal Astronomer Royal for Scotland Astronomia danica Astronomiae instauratae mechanica Astronomiae instauratae progymnasmata astronomic astronomical astronomical aberration astronomical almanac astronomical archives management astronomical azimuth

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