前齿轮有44个齿。
冰爪前齿是不对称的并且弯向内侧，这样设计可以使冰爪齿最大程度的与冰雪接触。
The front points are asymmetrical and curved inwards to allow for maximum contact with snow.
齿坎式护岸结构是一种新型挡墙结构，但目前齿坎式挡墙缺乏理论设计规范。
The riverbank protection structure with notched sill is a new type of retaining wall structure, but there is not yet theoretical design standard.
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