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... o optimize the selection of various options, which requires great cost. Not to mention the design itself, the light is the material used, the cost is high enough to make people stunned.
It should be known that the process of this yttrium-containing superalloy is not yet determined and can only be prepared in the laboratory. The cost of R&D and testing that was previously invested is directly one billion. In the case of separate preparation, the cost per ton of material may exceed tens ...
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