“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	absolute velocity absolute viscosity absolute volume absolute vorticity absolute wavemeter absolute weighing absolute zero absorb absorbance absorbancy absorbed charge absorbed dose absorbed-dose rate absorbency absorbency index absorbent absorbent cotton absorbent paper absorber absorber capacity absorber control absorber oil absorber plate absorbing boom absorbing rod

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