圆柱规 meaning in English

cylindrical gauge

Not go plug gauges with cylindrical gauging member over 40 mm up to 120 mm nominal diameter
公称直径大于40至120mm孔用圆柱规体不过端塞规
Not go cylindrical gauging members over 40 mm up to 250 mm nominal diameter for use in precision engineering
精密技术用标称直径40至250mm的不过端圆柱规体
Not go plug gauges with cylindrical gauging member over 40 mm up to 250 mm nominal diameter , for use in precision engineering
精密技术用标称直径40至250mm带圆柱规体的不过端塞规