Y型桁架底板
(用料宽度:750mm)
1454
Jun 29-2019
编 号
|
型 号
|
用料宽度
|
有效宽度
|
材 料
|
常规
|
Y型桁架
|
750mm
|
590mm
|
镀锌钢板:0.5-0.6mm
|
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