elevation difference

基本解释

Check rail span deviation, elevation difference, inclination, etc. , to determine the fault in the end is what caused the.
检查轨道跨度偏差、标高差、倾斜度等，判定故障到底是什么原因造成的。
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According to topographical situation of Yanan Pipeline, conduct a dead weight oil transporting test a-gainst elevation difference.
根据安延管道的地形情况，利用高程差进行了自压输油试验。
So the model was simplified without consideration of the viscosity variation, and an equation for contamination concentration distribution caused by elevation difference was developed.
在此基础上简化模型，推导出了高差混油浓度分布的基本方程。