Through the sand pill on the workpiece surface, eliminating stress, increase the surface strength, such as spring, machining tool and workpiece surface treatment such as plane blade.
通过砂丸敲击工件表面，消除应力，增加工件表面强度，如弹簧、机加工刀具和飞机叶片等工件的表面处理。
Through the sand pill on the workpiece surface, eliminating stress, increase the surface strength, such as spring, machining tool and workpiece surface treatment such as plane blade.
通过砂丸敲击工件表面，消除应力，增加工件表面强度，如弹簧、机加工刀具和飞机叶片等工件的表面处理。
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