balance wheel

漢語翻譯

英文解釋：

名詞 balance wheel:

1. a wheel that regulates the rate of movement in a machine; especially a wheel oscillating against the hairspring of a timepiece to regulate its beat
   同義詞：balance

例句：

1. A fine coiled spring that regulates the movement of the balance wheel in a watch or clock.
   遊絲在手錶或鍾內用於調整計時器搖輪運動的細小的卷繞彈簧