5.3水头差（Head Difference） 在输出屏幕中选择Head Difference时，就会显示出层间水头差等值线图。在水头差选项中，你可以指定要与当前层相比较的层位。
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...水头差；围岩特性曲线[gap=1339] generalized Hoek-Brown yield criterion; seepage effect; radius of plastic zone; hydraulic head pressure difference; ground reaction curve..
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In order to extend the application of this technology better, this paper uses configuration software (MCGS) and programmable control (PLC) to research and design Head pressure transformation water lifts.
为了能更好地推广应用该项技术，本文进一步利用组态软件MCGS和可编程控制器PLC对水头差压力转换提水进行了研究和设计。
参考来源 - 基于PLC及组态软件的水头差压力转换提水技术研究·2,447,543篇论文数据，部分数据来源于NoteExpress
由于巴山玉原石杂质多、结构粗、水头差，要做成装饰品，就必须经过人工处理。
As Bashan raw jade stone impurities, structure, thick, head difference, and making decorations, it must be handled manually.
讨论了影响基坑稳定性的主要因素，特别是由于水头差导致的土体渗流对基坑稳定性的影响。
The main influence factors of stability of foundation pit are discussed, especially the influence of seepage induced from head difference.
受黏聚力的影响，粉土破坏时的水头差较砂土大，同时基桩的影响也会增大破坏时的水头差。
Influenced by cohesion, the water head difference in silt is more than that in sand when seepage failure takes place. Influenced by piles, the water head difference of seepage failure also increases.
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