“shaft sinking”的概念、定义、翻译、参考文献-科学参考

单词	shaft sinking
释义	shaft sinking [`shaft ´siŋk·iŋ] ^{MINING ENGINEERING} Excavating a shaft downward, usually from the surface, to the workable coal or ore.
随便看	R-C circuit R-C constant R-C coupled amplifier R-C coupling R center RCM R-C network R Coronae Borealis star R-C oscillator rd RdAc RDC extractor RDF RDGE R display RDS RDSS RdTh RDX Re reach reach rod reactance reactance amplifier reactance drop

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