BC-2500
常见问题解答与故障排除 |
BC-2500
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4 结果
1. 2015-05-14
How do I draw up the lower thread by hand? (For models equipped with the quick-set bobbin)
2. 2015-05-14
How do I wind the bobbin? (For models equipped with the fast bobbin winding system)
3. 2015-05-07
How do I install the bobbin wound with thread? (For models equipped with the quick-set bobbin)
4. 2009-04-07
How do I correctly install a bobbin?