“undercutting level”的概念、定义、翻译、参考文献-科学参考

单词	undercutting level
释义	undercutting level Encyclopedia 工学开拓工程释 undercutting level拉底水平为地下矿山回采工作开辟底部自由面，由拉底巷道向两侧扩帮，将矿房底面拉开至足够大，补充爆破空间或者为应力作用下矿石自然崩落创造条件而进行开挖的作业水平。
随便看	polarimetric polarimetric calibration polarimetric coherency matrix polarimetric covariance matrix polarimetric filtering polarimetric in optic fiber polarimetric radial-velocity-meter polarimetric SAR channel calibration polarimetric SAR cross-talk calibration polarimetric SAR interferometry，PolInSAR polarimetric SAR phase calibration polarimetric scattering matrix polarimetric scattering vector polarimetric sensor calibration polarimetric speedometer polarimetric standard polarimetric standard star polarimetric target decomposition polarimetric total power polarimetry polar integral equation polar integral kernel polar intermetallic compound polar intermetallic compround POLARIS

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