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Terms for subject Drilling containing 同 心 | all forms | in specified order only
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同心圆筒旋转黏度检测法concentric cylinder rotation viscometry
同心圆筒流变仪coaxial cylinder apparatus
同心圆筒黏度计concentric cylinder viscosimeter
旋转黏度计的同心圆筒测量装置coaxial cylinder sensor system
金刚石钻头金刚石同心圆形布镶形式concentric pattern