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- Properly thread the bobbin case. 重新正确地穿梭壳的线。
- Replace the bobbin or the bobbin case. 请更换梭芯或更换梭壳。
- Threading the bobbin case 底线的穿线方法
- Pass the thread through threading slit 1 in the bobbin case, and route it under tension spring 2. 把线穿过梭壳的穿线1，然后从线张力弹簧2的下面穿过。
- The thread has not been passed through the notch of the bobbin case tension spring. 底线不能进入到梭壳的线张力弹簧下面。
- The thread has not been passed through the notch of the bobbin case tension spring . 底线不能进入到梭壳的线张力弹簧下面。
- When making the sewing machine run idle, remove the bobbin case and the bobbin since there is the possibility that thread is entangled in the hook. 让缝纫机空转时,有可能机线空绕而卷绕不到旋锁上,因此请卸下梭壳和梭芯。
- Removing the bobbin case. Raise the bobbin case latch to remove the bobbin case. 扳起梭壳的卡头，进行安装和拆卸。
- Removing the bobbin case。 Raise the bobbin case latch to remove the bobbin case. 扳起梭壳的卡头，进行安装和拆卸。
- A new take-up device is adopted to re-shape the rotating hook shaft,the hook point and the bobbin case. 旋梭轴肩、梭尖以及旋梭套的形状有所改变；采用了一种新的挑线装置。
- Decrease the bobbin thread tension. 请调弱底线张力。
- Increase the bobbin thread tension. 请调强底线张力。
- I was busy threading the film for the shoot. 我当时正忙着上胶卷以进行拍摄。
- The bobbin thread tension is too high. 底线张力过强。
- Thread the meat with steel skewers. 用钢针把腩肉串起，放上铁架上。
- A small troop was threading the causeway at a good pace. 一小队人马在堤道上急急地赶路。
- The girl threaded the needle for her mother. 女孩为妈妈穿针。
- The bobbin does not rotate smoothly. 梭芯的滑动性不良。
- She threaded the needle for her grandmother. 她为祖母穿针。
- The little girl threaded the shells together and wore them round her neck. 小女孩把贝壳穿成一串，戴在脖子上。
