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phu_grassman

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srhuan: 金币+8, 翻译EPI+1, ★★★很有帮助, 谢谢啊！非常好 2012-11-06 10:31:14
srhuan: 金币+2, ★★★★★最佳答案 2012-11-06 10:45:20

many new materials and technologies were adopted in the construction, which include electrical insulation, hoisting and laying of the track plate, CA mortar, tensioning of the track plate and so on. Height-adjutable moulding of the base plate was applied and positioning of ... was improved as well, which can meet the need of precision in construction. 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. Practice proves that the improved technology takes advantages in higher precision, shorter construction period, and obvious economic benefit.

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