There is however also known formwork whereby the moulded, partly solidified concrete serves as support for the formwork equipment.
然而有也称模板其中成,部分固化混凝土作为支持的模板设备。
There is however also known formwork whereby the moulded, partly solidified concrete serves as support for the formwork equipment.
然而有也称模板其中成,部分固化混凝土作为支持的模板设备。
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