溶痕
溶痕-
这些形态的主要类型有波痕状微溶痕、定向脑纹状溶痕及多种脑纹石。
The main character of these micro barrens is that their genetic processes were affected by wind with the result of morphology oriented to the direction of wind .
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消除产品表面溶接线，溶接痕，波纹，银丝纹。
Remove the welding wires and traces , ruffles and silver marks on product surfaces .