“lifting device”的概念、定义、翻译、参考文献-科学参考

单词	lifting device
释义	lifting device [`lift·iŋ di´vīs] ^ENGINEERING A device to manually open a pressure-relief valve by decreasing the spring loading in order to determine if the valve is in working order.
随便看	ordered octad ordered pair ordered rings ordered tetrad ordering orderly shutdown order of aberration order of degeneracy order of interference order of magnitude order of phase transition order parameter order point order quantity order relation order statistics order tone ordinal number ordinal scale measurement ordinal type ordinary cut ordinary differential equation ordinary gear train ordinary index ordinary point

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