求翻译：产品升级意味着不单纯追求产品数量的增加，更注重追求产品的质量，注重追求产品的实用效能，也就是说，通过创新设计、更新设备、技术改造，以及生产工艺和生产手段的升级换代，促进整个产业内产品档次的提高和生产技术的升级。煤炭行业内的产品，在以煤炭生产为支柱产业的基础上，发展与煤炭产品相关的支撑产业。主要包括是指在以煤炭产品为主导的前提下，生产出精煤、电力、铝业、煤建材、甲烷、甲醚、乙醚等相关产品，在力所能及的情况下，还要重视品牌建设，注重构建国际化营销网络，形成符合自身利益的销售网络和研发部门。是什么意思？

正在翻译，请等待...

正在翻译，请等待...

The product promotion meant pursues the product quantity not purely the increase, pays great attention to the pursue product the quality, the attention pursue product practical potency, in other words, through the innovation de

Product upgrade means not simply the pursuit of product quantity increases, more attention to the pursuit of product quality, pay attention to the pursuit of practical effectiveness of the product, that is, through innovative design, updating equipment, technological transformation and upgrading of