balancing weight的用法和樣例：
例句
- The device can be used to reduce the two peaks of crankshaft net torque by the balancing of the counterbalance hanging on the back end of the pumping bot.
這種裝置通過是掛在抽油機後端的平衡重的平衡作用，降低一次平衡曲柄軸凈扭矩的兩個峰值，達到減少能耗提高效率的目的。 - 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。
