樓主: 龍創(chuàng)
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管子內(nèi)徑如何加工到光潔度1.6 |
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點(diǎn)評
普通包裝機(jī)(低利潤)無須高精度,,軸承也是用最普通的,,用一兩絲的公差反而軸承容易卡死,也不利裝配,!
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