Accelerate industrial sodium sulfide, the product of the transformation and upgrading.
加快硫化钠产业、产品的转型升级。
Second, technological progress is the transformation and upgrading of the main engine.
第二，技术进步是改造和提升的主要动力。
In the hot topic of the transformation and upgrading in auto industry, automotive safety is also facing transformation and upgrading.
目前汽车产业的转型升级成为热议话题，这其中汽车安全的意识也面临着转型升级。
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