crankshaft counterweight

例句：

1. 1. The engine's performance is greatlyimproved by the addition of this crankshaft counterweight.
   通过添加这个曲轴配重，发动机的性能得到了极大的提升。
2. 2.The engineer carefully adjusted the crankshaft counterweight to ensure optimal efficiency.
   工程师仔细调整了曲轴配重，以确保效率最优。
3. 3. The weight of the crankshaft counterweight was carefully balanced toprevent vibration during operation.
   曲轴配重的重量被小心地平衡，以防止操作过程中的振动。