1549| 6
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兩套獨(dú)立運(yùn)動(dòng)的白色帶輪是如何裝配到同一根軸上的? |
評分
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點(diǎn)評
金屬軸直徑5-6mm,與大帶輪的配合長度約7mm>軸徑,過盈配合應(yīng)該牢固。
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