four-point contact ball 中文意思是什麼
four-point contact ball
解釋
四點接觸球軸承-
Rolling bearings - four - point contact ball bearings - axial internal clearances
滾動軸承.四點接觸球軸承.軸向游隙 -
Rolling bearings - three - point and four - point contact ball bearings - boundary dimensions
滾動軸承三點和四點接觸球軸承外形尺寸 -
Rolling bearings ; angular contact radial ball bearing, single row ; four - point contact bearing
滾動軸承.單列向心止推球軸承.四點接觸滾動軸承 -
Rolling bearings - angular contact radial ball bearing, single row - four - point contact bearing ; geometric and characteristic
滾動軸承.單列徑向止推滾珠軸承.四點接觸軸承.第4 bb
分享友人