棒规 meaning in English

bar gauge

Not go rod gauges over 40 mm up to 500 mm nominal diameter
标称直径40至500mm的不过端棒规
Not go segmental cylindrical bar gauges over 120 mm up to 200 mm nominal diameter
标称直径120至200mm的不过端分段圆棒规
Go segmental cylindrical bar gauging members over 120 mm up to 200 mm nominal diameter
标称直径120至200mm的过端分段圆棒规体
Not go segmental cylindrical bar gauging members over 120 mm up to 200 mm nominal diameter
标称直径120至200mm的不过端分段圆棒规体