N any of a series of grooves, pits, and scratches on the surface of a rock, usually made by the movement of a glacier (常指冰川移动时留下的)颤动擦痕
The complete machine rigidity is superior, the cutting does not have the chatter mark steadily.
整机刚性优越，切削平稳无震痕。
Chatter mark on the surface of the cold rolled or skin passed steel strips will seriously depress the product quality.
冷轧平整带钢表面的振动纹严重影响了产品的质量。
The formation of chatter mark on products in strip cold-rolling and skin pass are discussed as well as improving measures.
对带钢冷轧、平整轧制过程中产品振痕的形成和改善措施进行了探讨。
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