“mine fan signal system”的概念、定义、翻译、参考文献-科学参考

单词	mine fan signal system
释义	mine fan signal system [`mīn ¦fan `sig·nǝl ´sis·tǝm] ^{MINING ENGINEERING} A system which indicates by electric light or electric audible signal, or both, the slowing down or stopping of a mine ventilating fan.
随便看	degenerative joint disease degenerative recrystallization Degeneriaceae deglaciation deglitcher deglutition degradation degradation failure degradation product degradation recrystallization degradative plasmid degraded illite degrading stream degras degrease degreaser degree degree-day degree Engler degree of crystallinity degree of current rectification degree of curve degree of degeneracy degree of enrichment degree of freedom

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