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546715894 發(fā)表于 2013-1-1 07:44 1.針板孔有毛刺.2.壓甲壓力太大.3.牙齒齒尖有毛刺.4.勾線時間調(diào)節(jié)不準(zhǔn)確.5.挑線簧彈力不準(zhǔn)確.6.倒回針針距 ...
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