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eav177481 發(fā)表于 2017-5-10 07:22 機(jī)針和牙齒的同步,牙齒齒尖下降到和針板齊平時(shí),機(jī)針孔和針板齊平這是標(biāo)準(zhǔn)同步,晚點(diǎn)利于收線,早點(diǎn)厚料倒 ...
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