phase group characteristic 相群特征
debris group characteristic 磨屑群体特征
particle group characteristic 颗粒群特征
debris group characteristic parameter 磨屑群体特征参数
parameter of debris group characteristic 磨屑群体特征参数
characteristic group 特性基团 ; 性状组
Characteristic Group Vibrations 特征官能团的振动区域
Group Delay Time Characteristic 群延迟时间特性
group directional characteristic 天线群指向特性
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