Because of the high activeness of the titanium alloys, the inert gases or vacuum shielding is needed in fusion welding.
由于钛合金的活性强，熔化焊时需要用惰性气体或真空进行保护。
Some techniques in this experiment, such as high-activeness data field technology and Virtual page technology, proves to be more efficient in the system.
在实验的过程中，相应采用了一些技术：数据的高活跃存储区域和虚拟页技术，这使得系统运行效率得到了提高。
Some techniques in this experiment, such as high-activeness data field technology and Virtual page technology, proves to be more efficient in the system.
在实验的过程中，相应采用了一些技术：数据的高活跃存储区域和虚拟页技术，这使得系统运行效率得到了提高。
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