片语
channel steel expansion槽钢胀圈
ventilation channel sheet steel通风槽钢片
Channel-Steel-Piles Composite Soil Nailing锚管桩复合土钉支护
channel beam槽形梁,槽钢;大型槽钢
Channel-Section Steel槽形钢
channel l steel槽钢
Deformed Channel Steel异型槽钢
based channel steel基础槽钢
groove steel槽钢;不锈钢槽钢
equilateral channel steel等边槽钢
galvanized channel steel镀锌槽钢