2. By the requirement of the wagon wheel descale technics and manufacturing which is needed before detection, a new type automatic synchronizing deruster was developed to realize these functions.
根据铁路货车轮对除锈探伤的工艺和生产要求，研制了新型的同步除锈机。
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3. By the requirement of the wagon wheel descale technics and manufacturing which is needed before detection, a new type automatic synchronizing deruster was developed to realize these functions.
