矩形管规格表型号大全重量(矩形管规格表)
2025-10-07
1、矩形钢通规格表500X300X8.0--12.0mm450X250X6.0--12.0mm400X300X6.0--12.0mm400X200X6.0--12.0mm350X250X6.0--12.0mm350X150X6.0--12.0mm300X200X6.0--12.0mm300X150X6.0--12.0mm300X100X4.0--10.0mm280X180X4.0--10...
2025-10-07
1、矩形钢通规格表500X300X8.0--12.0mm450X250X6.0--12.0mm400X300X6.0--12.0mm400X200X6.0--12.0mm350X250X6.0--12.0mm350X150X6.0--12.0mm300X200X6.0--12.0mm300X150X6.0--12.0mm300X100X4.0--10.0mm280X180X4.0--10...