angle of internal friction 的释义 | Babel Free
释义
* [S:化学]内磨擦角 * [T:化學]內磨擦角
CEFR 等级
C2
精通
该词属于CEFR C2词汇——精通水平。
该词属于CEFR C2词汇——精通水平。
另见
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