请问wallace门尼粘度计中shearing-disc是什么意思呢？谢谢大侠！

偶在翻译华莱士橡胶检测设备（门尼粘度计）时遇到shearing-disc，请问怎么翻译合适呢？谢谢！原话如下：theMKIIIMooneyViscometerisashearing-discviscometerinwhichtherubbersamplei... 偶在翻译华莱士橡胶检测设备（门尼粘度计）时遇到shearing-disc，请问怎么翻译合适呢？谢谢！原话如下：the MKIII Mooney Viscometer is a shearing-disc viscometer in which the rubber sample is compressed pneumatically in a cylindrical chamber formed by cavities in 2 opposing dies.请翻译！谢谢！