“sharpening stone”的概念、定义、翻译、参考文献-科学参考

单词	sharpening stone
释义	sharpening stone [`shär·pǝ·niŋ ´stōn] ^ENGINEERING A device such as a whetstone used for sharpening by hand.
随便看	Ioffe bars Ioffe effect IOGEN ion ion accelerator ion-acoustic wave ion atmosphere ion backscattering ion-beam mixing ion-beam scanning ion burn ion chamber ion cloud ion column ion concentration ion counter ion crystal ion current ion cyclotron frequency ion-cyclotron-resonance mass spectrometer ion density ion detector ion emission ion engine ion exchange

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