當(dāng)前位置:
首頁(yè) >
標(biāo)準(zhǔn)詳情頁(yè)

High-Strength Structural Bolting Assemblies For Preloading - Part 9: System Hr Or Hv - Direct Tension Indicators For Bolt And Nut Assemblies
出版:Asociacion Espanola de Normalizacion

專家解讀視頻