The main ingredients: mineral activity extracts, vitamins E, A, soft stretchfactor, nano pearl powder.
主要成份：矿泉活性萃取精华、维生素E、A、柔性弹力因子、纳米珍珠粉等。
2
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 stretchfactor, 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。
3
Anyone can get stretch marks with rapid weight gain (such as in pregnancy), but cigarettes can be a contributing factor.