“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	electron beam heating electron beam heat treatment electron-beam-induced current EBIC electron beam induced current method electron beam irradiation electron-beam irradiation electron beam lithography electron beam lithography equipment electron beam load electron beam melting electron beam melting purification of rare earth electron beam melting technology electron beam microfabrication of vacuum electronic device electron beam modulation electron beam parameter amplifier electron beam perveance electron beam physical vapor deposition electron beam processing electron beam quenching electron beam resist electron beam semiconductor device electron beam-solid interaction electron beam surface alloying electron beam surfi-sculpt electron beam tube

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