roughness
【运输】粗糙程度,表面测量仪器,声学的
roughness surface-measuring appliance, acoustical
暂无补充释义。
roughness surface-measuring appliance, acoustical
暂无补充释义。
roughness
roughness
roughness
surface roughness
surface roughness tester
roughness tester
electro-contact type surface roughness tester
roughness coefficient