Spindle Bearing
主轴轴承
主轴支承
心轴轴承
纺锭轴承
阶跃折射率单模光纤
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
3-D open cells network structure
3-D open cells structure
3rd stage open channel closure
Absolute Open Flow Capacity
Absolute Open Flow Potential
acid open hearth furnace
acid open hearth process
act for the open account