... 钻井泵的临界特性曲线 pumcritical characteristics 特征机, 特征机 characteristic machine 特征线，特征谱 characteristic line ...
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electric machine operating characteristic [电] 电机运行特性
machine characteristic 机器特性 ; 产品特点
thermal characteristic of machine tools 机床热特性
machine dynamical characteristic 机床动力学特性
Machine model characteristic time-MM 机器模型特征时间
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