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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(yù)制框架梁

2017.09.26

設(shè)置U型鍵槽，預(yù)制梁底端部鋼筋伸出，錨入柱內(nèi)，加強鏈接。