实践中，一些水利工程已经用横梁代替牛腿去支承弧形闸门。
In practice, beams have been used to replace corbels in supporting radial gates in some hydraulic projects.
松开前轴横梁上的拖臂并从支座中拔出。
Loosen trailing arm on front-axle cross member and pull out of the mount.
采用有限元方法对液压机中的主液压缸、横梁和立柱进行结构设计。
Main hydraulic cylinder columns and cross beams of hydraulic press are designed with finite element method.
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