“angle of external friction”的概念、定义、翻译、参考文献-科学参考

单词	angle of external friction
释义	angle of external friction [`aŋ·gǝl ǝv ek`stǝrn·ǝl `frik·shǝn] ^ENGINEERING The angle between the abscissa and the tangent of the curve representing the relationship of shearing resistance to normal stress acting between soil and the surface of another material. Also known as angle of wall friction.
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