辅助杆位于推板的两侧确保管材的前进方向。

Auxiliary Pole: work with direction wheel at bottom of push board, ensure pipe moving direction.

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另外，轴接到椅子的椅座背部的辅助杆提供了随手可得的娱乐。

Further, an accessory bar pivoted to a seat back portion of the chair provides readily accessible entertainment.

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使用这些代码的目的不是要抛弃现有的正常运作的编程方法，而是要学习一些辅助技巧，使用这些技巧可取得立杆见影的效果。

The goal is not to abandon all the programming that already serves you well, but to learn a few supplementary techniques that offer immediate payoff.

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