1. Forging defects of mould cavity non-saturate, crack, pucker and shearing edge avulsion, etc. on the astrictive clamps and operating scissors are studied by means of appearance and metallography.
采用外观和金相方法,对止血钳和手术剪锻坯出现的型腔填充不满、裂纹、重皮和切边撕裂等缺陷进行分析。

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2. Treat correctly handle the stuttering and children in diseases such as astrictive stuttering, mostly because of infant's or mental stress, the boy suddenly about 4 percent, approximately 2 girls.
正确对待相处理幼儿的口吃和遗尿等疾病,口吃多是因幼儿模仿或精神突然紧张造成的,男孩大约有4%,女孩大约有2%。

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3. Treat correctly handle the stuttering and children in diseases such as astrictive stuttering, mostly because of infant's or mental stress, the boy suddenly about 4 percent, approximately 2 girls.
正确对待相处理幼儿的口吃和遗尿等疾病,口吃多是因幼儿模仿或精神突然紧张造成的,男孩大约有4%,女孩大约有2%。

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