Make at the same time we to double in doubleout ball type coal pulverizer work principle , operation process, movement characteristic had further cognition with increase.
同时使我们对双进双出球磨煤机工作原理、作过程、行特性有了进一步了认识和提高。
2
The state's proposed Forest Carbon Plan aims to double efforts to thin out young trees and clear brush in parts of the forest.
该州提出的森林碳计划旨在加倍努力，在部分森林中剪除幼树并清除灌木丛。
3
There\\\'s a double threat out there that may help explain poor school performance, criminal behavior, alcoholism, and the growing numbers of Alzheimer\\\'s patients.