通过对锯齿圆盘切刀和断秆的运动学分析，建立了求解各运动参数的数学方程，确定了影响该装置抛撒性能的主要因素。
The kinematics of the straw and sawtooth were analyzed, and mathematics equations of some movement parameters were set up, and main factors of effecting throwing characteristics were determined.
刀杆可在铁轨下方进行有效切挖，同时也可移除脏污道砟，并将其存放到挖掘圆盘上。
The cutter bar efficiently cuts its way underneath the track, where it removes fouled ballast and deposits the spoil into the digging wheel.
该切刀最好由一排组件形式的旋转切割圆盘组成，由若干所述护盖加以保护。
Best of all, the cutter is composed of a row of assembled rotary cutting discs and is protected by a plurality of protective covers.
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