Rings inside trees dense tell us: with a sincere heart facing life and learn to accept the truth, then we can product to grow happiness and life of the rich.
大树密集的年轮告诉我们：带着真诚的心面对生活，学会接受真理，我们便能品到成长的快乐和生命的富足。
2
Dense high-temperature processing of silicon also gives the product a high weather resistance.
高温致密硅的处理也赋予了产品较高的耐候性。
3
The recovery of magnetic medium separated from product is an effective way to improve economic profit of dense medium coal separation technology.