一种多功能万向滚动球承，其特征在于由若干小球和１个大球、球承座、球承盖、小球贮存仓组成，在外力作用下，通过大球和小球的相互滚动来实现规定的各种运动的机构，其球承盖和球承座保证了大球和小球的相互关系和位置。 球承属于五金类，广泛应用在家电、医疗、工业设备等行业。根据用途可分为金属壳和塑料。 图片是天意球承有限公司生产的冰箱用万向球承
球承机械手 ball joint manipulator ; ball socket manipulator
球轴承 [机] ball bearing ; Radial Ball Bearing ; spot contact bearing ; bearing
球承式模板 ball bearing floating plate die csting ; ball bearing floating plate
深沟球轴承 [机] deep groove ball bearing ; Deep Groove Ball Bearings ; Deep Groove ; NTN
推力球轴承 [机] thrust ball bearing ; Ball thrust bearing ; Axial contact ball bearing ; thrust
球承套 ball bearing sleeve
球承轴 Bearing ball
锁口球轴承 [机] counterbored ball bearing
向心球轴承 [机] radial ball bearing ; annular ball bearing ; redial bearing ; radial contact ball bearing
平均直径变动的调心球承也可带密封（图1.6）和一个终身油脂填充。
Self-aligning ball bearings of the mean diameter range are also available with seals (Figure 1.6) and a for-life grease fill.
分析了离心球铁管开裂承口的组织、成分分布，探讨了组织、成分对承口开裂的影响。
The distribution of chemical composition and microstructure for cracking socket of centrifugal cast ductile iron pipe, and the effect of them on the cracking behavior have been studied.
北京高尔夫球俱乐部一直是我十分欣赏的球场，不仅是它的球道设计和球场状况令我神怡，而且它还会给我保留对我舅舅顾尔承先生的缅怀。
Beijing Golf Club has been my favorite golf course for years, not only because I like the design and condition of the course but also because it gives me the memory of my uncle Mr.
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