常見(jiàn)例句雙語(yǔ)例句Properly thread the bobbin case.重新正確地穿梭殼的線(xiàn)。A new take-up device is adopted to re-shape the rotating hook shaft, the hook point and the bobbin case.旋梭軸肩、梭尖以及旋梭套的形狀有所改變；采用了一種新的挑線(xiàn)裝置。 返回 bobbin case