three-level

This paper is a state-of-the-art overview of this technique and describes in three levels: molecular simulation; unit operation simulation and flowsheeting simulation.

本文从子、元过程及流程三个层次综述其最近的发展及今后的趋势。

Whereby providing the reliable basis of the dam cast and for corresponding temperature control measures during the overfall dam construction in high temperature with three level pumpcrete machines.

从温控的角度,为皂市大高温季节采用三级配混凝土泵浇筑溢流段的可行提供了可靠的参考依据。