做APF是参考的文章，很有价值，拿出来分享，大家一起学习。-APF is a reference to the article do, great value, come to share, we learn together.

在新能源行业，APF有很好的前景，但此产品技术含量高，这篇文章就很有价值，让我们有深刻的理解。-In the new energy industry, APF has good prospects, but this product with high technical content, this article is very valuable, so we have a deep understanding.