规块 meaning in English

gage block
gauge block
size block

Minute hardness testing systems , hardness meters vickers , rockwell , shore , metalloscopes , magnetic detectors , demagnetizers , metallographic inspection devices , surface roughness meters , electrical micrometers , air micrometers , mu meters , electrical converters , bore micrometers , cylindrical gauges , block gauges , eccentricity meters , precision bases , others
微小硬度系统硬度计维克斯洛氏邵氏金属显微镜磁力探测机脱磁机金属组织检查装置表面粗糙测定器电微型压力机空气微型压力机微米表电转换器镗孔微型压力机缸径规块规偏芯测定器精密加工台等等。