balance weight的用法和樣例：
例句
- The large rocking half-wheel helps lift the excavating bucket and lower the balance weight.
巨大晃動的半輪幫助舉起挖斗並且降低平衡重量塊。 - Ensure that the counter-weights are in balance with the tongs.
確保大鉗平衡配重和鉗子相匹配。 - The weight of the extensometer is balanced by means of a counterweight.
利用一個配重來平衡引伸儀的自重。
