n.細(xì)彈簧；游絲
The revolutionary coaxial escapement devices and noo-card-degree hairspring balance wheel ensure the long-running accuracy and reliability. 革命性的同軸擒縱裝置和野應(yīng)卡度游絲擺輪確保長(zhǎng)期運(yùn)行的準(zhǔn)確性和可靠性。
