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many new materials and new technology were adopted in the construction, mainly including electrical insulation, the hoisting and laying of track plate, CA mortar, the tensioning of track plate and so on. The technology, which are application of height-adjustable base plate moulding board and improving the method of track plate rough pavement positioning, ensured the construction precision. The setting of temporary end thorn and mobile gantry crane with derrick truck for hoisting and laying of track plate sped up the construction progress. Engineering practice indicates that the improved technology has advantages of higher precision, shorter construction period, and obvious economy benefit.

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2Â¥: Originally posted by luckiest at 2012-11-05 22:20:59
Little worm doesnot appeal to woodpeckers.

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4Â¥: Originally posted by fjtony163 at 2012-11-05 22:36:09
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