极限塞规 meaning in Chinese
internal limit gauge
limit plug gage
limit plug gauge
tolerance plug gage
Examples
- Go and not go plug gauges from 1 mm to 40 mm nominal diameter
公称直径1 - 40mm孔用极限塞规 - Go and not go plug gauges over 40 mm up to 65 mm nominal diameter
公称直径大于40至65mm孔用极限塞规