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5. | GJZ 刚架柱(GJZ) I300x300x12x8 92.91 38.3 刚架梁(GJL) I400x180x8x6 78.52 38.4 扁梁(BL) I280x140x16x10x210 10.86 … www.lunwentianxia.com|基于 1 个网页 |