upright spindle
美
[ˈʌpˌraɪt ˈspɪndl:]
英
[ˈʌprait ˈspɪndl]
[机] 直立旋板心轴
Examples
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美[ˈʌpˌraɪt ˈspɪndl:]英[ˈʌprait ˈspɪndl]
[机] 直立旋板心轴