We can also adopt sand shell moulding or metal mold casting as for allotype castings.
對(duì)異形鑄件,還可用砂型鑄造或金屬型鑄造.
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Authors mainly introduce quality control of allotype caisson in prefabrication, float transport and installation process.
主要介紹異型沉箱在預(yù)制 、 浮運(yùn)、安裝中的質(zhì)量控制.
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