... double slide-wire potentiometer 双滑线电位计，双滑线电势计 double span 双跨 double-speed motor 双速马达 ...
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双跨连拱隧道以设置地基梁的方式穿过大型溶槽地段。
The double-arch tunnel passes through a big water-eroded groove by setting foundation beam method.
并以一个双跨连续梁作用循环载荷为例，对此方法的应用进行了说明。
Application of the approximate kinematical method is exemplified using a continuous two-span beam applied with cyclic load.
双跨隧道在岩溶地区施工中遇到大型溶槽，采用弹性地基梁法成功跨越。
In excavation of double span tunnel, there exists a big water-eroded groove. The method of elastic foundation beam is used to cope with the situation.
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