Mineral resources production processing urgently need to develop new, more efficient large crushing grinding equipment, so using new system sand machinery is one way to solve a shortage of resources.
矿产资源生产加工迫切需要研制开发新型高效的大型破碎粉磨设备，因此采用新型制砂机械是解决资源短缺的方法之一。
Mineral resources production processing urgently need to develop new, more efficient large crushing grinding equipment, so using new system sand machinery is one way to solve a shortage of resources.
矿产资源生产加工迫切需要研制开发新型高效的大型破碎粉磨设备，因此采用新型制砂机械是解决资源短缺的方法之一。
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