常见例句雙語例句He was one of the most inventive watchmakers of his day and held patents for a detent escapement, bimetallic balance and helical balance spring .他是那個時代最具創造力的制表大師之一，他擁有鎖簧式擒縱機搆、雙金屬擺輪以及螺鏇遊絲的專利。 返回 bimetallic balance