... Ballast cleaning machine 道床清扫机 ; 道碴清筛机械 ballast consolidating machine 夯实机械 Ballast Bed Machine 压床机 ...
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扼要阐述了弹性元件的特性及在振动夯实机械中的应用，较详细地介绍了弹性元件的设计方法及计算机辅助设计。
The characteristic of elastic element which is applied in vibration tamping mechanism is briefly stated, and the designing method of elastic element, as well as CAD is introduced.
所填土的压实分为人工夯实和机械压实两中。
By filling the compacted into artificial consolidate and mechanical compaction of the two.
涵洞通道两侧、桥台背后等狭窄地点，用小型机械振动夯实。
Place like culvert sides, behind the abutment sites and so on, we use small mechanical to compact.
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