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產(chǎn)業(yè)發(fā)展

In the pursuit of all the staff material and spiritual aspects of happiness at the same time,
for the progress and development of human society to contribute

產(chǎn)業(yè)發(fā)展

In the pursuit of all the staff material and spiritual aspects of happiness at the same time,
for the progress and development of human society to contribute

預制框架梁

2017.09.26

設置U型鍵槽，預制梁底端部鋼筋伸出，錨入柱內(nèi)，加強鏈接。