250B bearing ring rolling machine
bearing ring
轴承套圈
方位圈
轴承钢钢领
方位圈轴承环
轴承座圈
支承环
轴承套环
轴承油环
轴承环
承载环
之框
套圈
bearing ring made from Cr4Mo4V steel
hybrid ring
环形电桥
环状混波器
三分贝环行电桥
并合环
混成环
岔路环
metal elasticity fluoroplastic bearing ring
Hydrodynamic-hydrostatic hybrid bearing
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
the Western Ring Road Sector of Central Ring Road
10104 m3 floating roof tank
48 bit high precise floating data type
7 500 t fully slewing floating crane
a free floating sensing diaphragm
active floating charge landing