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chyuwang:有可能是切刀 (2017-07-23 10:55)
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dengyoujiang:切刀声音听不出来混过屁呀!用手按C轴调松紧皮带那块铁板上面,时而有迟续的很大振动。好是哪你卡住一样。 (2017-07-24 22:29)
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