• The repair welding method comprises the following steps: firstly, preparing a protectant for repair welding and deposited metals according to material compositions of a large forged piece;

    发明补焊方法包括以下步骤首先根据大型锻件的材质成分制备补焊保护剂熔敷金属

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  • In a 100-year-old workshop in the centre of Berlin stands a gleaming piece of forged metal, four storeys high.

    柏林市中心间有着百历史车间里,矗立一件泛着光泽金属锻件,足有楼高。

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  • In a 100-year-old workshop in the centre of Berlin stands a gleaming piece of forged metal, four storeys high.

    柏林市中心间有着百历史车间里,矗立一件泛着光泽金属锻件,足有楼高。

    youdao

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