樓主: limishere
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襯套,國(guó)標(biāo)有這個(gè)嗎,國(guó)標(biāo)代號(hào)是多少 |
點(diǎn)評(píng)
30塊,被坑了吧,我周邊全是做軸承的,按軸承的工藝做,你算算這么大的整個(gè)軸承才多少錢
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