通过应力分析，给出了带法兰的无折边球形封头的计算方法。
By stress analysis, this article gives a calculation method on a spherical cap joining the flange ring by welding.
安装带法兰的管路时，必须在两个对接法兰的密封间放置垫片。
When installing the pipeline with flange, the gasket must be placed between the two butt flanges.
不带法兰的滚针轴承是可分离的，即外圈、滚针和保持架组件以及内圈都可分别安装。
The needle roller bearings without flanges are separable, i. E. The outer ring, the needle roller and cage assembly and the inner ring can all be mounted separately.
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