履带销是自行火炮推进装置中重要的传力元件。
The track pin is an important component for transferring load in the propulsion device of a self-propelled gun.
为了合理地预测湿软地上履带行走装置的推进力，对履带板的推力计算模型进行了修正。
In order to reasonably predicate the pull of track driving device on wet and soft terrain, the pull model of track shoes is revised.
为了合理地预测湿软地上履带行走装置的推进力，对履带板的推力计算模型进行了修正。
In order to reasonably predicate the pull of track driving device on wet and soft terrain, the pull model of track shoes is revised.
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