试验与生产结果表明，提高粗加工挑扣成形质量、改善热处理组织、控制磨削工艺可以有效地防止磨削裂纹的产生。
By experiment and production practice, it was pointed out that such crack could be prevented by control of pick forming, heat treatment and grinding process.
黑色平跟鞋显然是首选，但红色平跟鞋的色彩非常出挑，一年四季都可以穿。它可以和条纹衫以及双排扣大衣搭配。
Black is the obvious choice, but red flats provide a pop of color and work for every season. Pair them with a striped shirt and a trench coat.
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