channel beam
短语词组
- composite channel steel beam 组合槽钢梁
- channel steel beam 槽钢梁
- channel l beam 槽形梁
- inverted -channel shaped beam 反槽形板
- wide channel beam 槽型宽梁
- channel simply supported beam 槽形简支梁
- Steel Channel Beam 槽钢梁
- thin walled channel beam 轻型薄壁槽钢
- channel steel middle beam 槽钢腰梁 返回 channel beam