allotype

We can also adopt sand shell moulding or metal mold casting as for allotype castings.

对异形铸件,还可用砂型铸造或金属型铸造.

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Authors mainly introduce quality control of allotype caisson in prefabrication, float transport and installation process.

主要介绍异型沉箱在预制 、 浮运、安装中的质量控制.

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