38mm,31mm,32mm,43mm光滑环规,34mm,45mm,66mm,57mm光面环规
面议38mm,31mm,32mm,43mm光滑环规,34mm,45mm,66mm,57mm光面环规
面议10mm,11mm,12mm,13mm光滑环规,14mm,15mm,16mm,17mm光面环规
面议3mm,4mm,5mm,6mm,7mm,8mm,9mm光滑环规,光面环规
面议光滑塞规,光滑塞规
面议M4公制螺纹塞规,M6公制螺纹环规,M5螺纹量规
面议M18公制螺纹量规,M20螺纹塞规,M24螺纹环规
面议M8公制螺纹量规,M10螺纹塞规,M12螺纹环规
面议M2.5 M3 M10 M27螺纹塞规,螺纹环规,螺纹量规
面议8MM,10MM管螺纹塞规,管螺纹环规,管螺纹量规
面议18mm,21mm,22mm,33mm光滑环规,24mm,55mm,56mm,77mm光面环规
面议4 1/2CSG石油套管圆螺纹量规,(工作规,校对规,锥度规)
面议CSG LCSG石油套管圆螺纹量规,(工作规,校对规,锥度规)
面议