channel beam
短語詞組
- composite channel steel beam 組郃槽鋼梁
- channel steel beam 槽鋼梁
- channel l beam 槽形梁
- inverted -channel shaped beam 反槽形板
- wide channel beam 槽型寬梁
- channel simply supported beam 槽形簡支梁
- Steel Channel Beam 槽鋼梁
- thin walled channel beam 輕型薄壁槽鋼
- channel steel middle beam 槽鋼腰梁 返回 channel beam