... measuring hydrophone 丈量水声器 measuring indicator 量表 measuring instrument for instantaneous velocity 瞬时转速丈量仪 ...
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general measuring indicator 综合测度指标
indicator of the measuring unit 指标的测量单位 ; 指标的衡量单位
measuring instrument with optical indicator 量测仪器附光学指示器
dial indicator measuring device 千分表测量装置
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