Fat reduction is another popular surgery, along with stretch marks removal, wrinkle smoothing, double eyelid removal and even botox injections.

抽脂术也是很流行的美容手术，此外，去除妊娠纹、除皱、去双眼皮甚至是注射肉毒杆菌也很受欢迎。

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During the process of reducing, in case of constant diameter reduction, the major elements responsible for tube wall increase are the rolling temperature and the stretch factor, etc.

钢管在减径过程中，减径量一定时，影响其增壁量的主要因素是钢管的轧制温度和张力系数等。

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