bearing bearing of pile
桩的承载力
聚对苯二甲酸乙二醇酯(PET)
聚对苯二甲酸乙二醇酯
bearing race
轴承座圈
滚珠轴承座圈
滚珠座圈
轴承圈
轴承套圈
轴承滚圈
轴砂套圈
inner vertical bristles inner vertical bristle
“Smart” journal bearing
250B bearing ring rolling machine
3D base isolation bearing
4-row conical roller bearing
4-row cylindrical roller bearing
4-row tapered roller bearing
A Device for Adjusting Bearing Lubrication
a pile limit bearing capacity
a rolling element bearing
a rotor-active magnetic bearing system