The tower crane is mainly composed of vertical tower, horizontal tower, tower tower and balance arm, as shown in Figure 3.67.

塔式起重机主要由竖直塔身、水平塔臂、塔顶和平衡臂等主要部件组成，如图3.67所示。

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If the pumping unit is unbalanced, the counterweight and the crank balance arm can be adjusted according to the formulas presented in this article.

当抽油机不平衡时，可以按文中的公式调整平衡块和曲柄平衡半径。

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Balance arm:After going into nuptial chamber, the bridegroom picks with the balance arm the bride's red lid, take an idea"gratifying and satisfactory".

朠 秤杆 ：入洞房后，新郎用秤杆挑去新娘的红盖头，取意“称心如意”。

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Before, 50-year-old Trevor Prideaux had to balance the phone on his arm or put it on a flat surface.

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The mass is suspended from one arm of the balance.

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To warm up, she'll do balance-based exercises including a one-arm, one-leg plank to strengthen her core.

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