Working principles of dual closed-loop tester and parameter design for its major parts are introduced and indoor simulation testing technique for walking tractor discussed.
本文系统地介绍了双闭环试验台的工作原理，主要工作部件的参数设计，并对手扶拖拉机室内模拟试验技术问题进行了探讨。
Combining the indoor study with the test-road study, this paper has recommended the parameter of choosing material and mixture design, which suit to the pasturing area road gravel base.
在结合室内研究和试验路研究的基础上，推荐了适合牧区道路粒料基层的材料选择参数及配合比设计。
Combining the indoor study with the test-road study, this paper has recommended the parameter of choosing material and mixture design, which suit to the pasturing area road gravel base.
在结合室内研究和试验路研究的基础上，推荐了适合牧区道路粒料基层的材料选择参数及配合比设计。
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