semi-micro balance 半微量天平
micro-balance 微量天平
micro chemical balance 微量化学天平
Super Micro Balance 超微量天平
electronic micro-balance 电子微量天平
micro thermal balance 微量热天平
micro-torsion balance 微量扭力天平
micro-ecology balance 微生态平衡
micro-chemical balance 微量化学天平
N a precision balance designed to weigh quantities between 10–6 and 10–9 kilogram 微量天平
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