The stress under different working modes is the key to the safe problem when erecting long span prestressed concrete box beam.
大型预制预应力混凝土箱梁架设中不同工况下的梁体应力满足设计要求是箱梁安全架设的关键。
Further more, there are three different working modes, namely the auto, the manual and the defrosting, for the clients to choose and switch.
此外，该系统还提供自动、手动和除霜等三种工作方式供用户选择，并能在这三种工作方式之间进行切换。
Rationale: When working with or in different modes it is much easier to recognize the present mode, when it is indicated with more than "toggle-links" somewhere on the page.
基本原理：当使用不同模式操作时，很明显地就能分辨出当然所处的模式，尤其是当页面上出现了比“触发链接”还明显的提示时。
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