求翻译：承力采用四把刀：主机吊反力架上端在传统的基础上增加了一付刀承，增加了杠杆加载时的自由度，减小了杠杆机的力值方位误差是什么意思？

Bearing a four-knife: host hanging rack side reaction force increase in the tradition based on a pair of knives bearing, an increase of the degree of freedom when the lever load, reduces the leverage the power value of azimuth error

With the 4 into the knife: host hanging on the edge of the end in the traditional increase based on the knife, and a pay increase when you load the leverage of the degrees of freedom and to reduce the leverage the value of the orientation error.

Receives the strength to use four knives: When the main engine hung a reaction upper extreme to increase in the traditional foundation has paid the knife to receive, increased the release lever loaded the degree of freedom, reduced the release lever machine strength value azimuth error

Bearing using four knives: hosts hanging on top of the reaction force on a traditional basis increased by a pair of knives, increasing degrees of leverage when loading, reduces the force value orientation of lever machines errors

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