Also some important part is the bucket cylinder joint pin, the bushing, certainly must carry on the inspection to these place loose and tight.
还有一个重要的部分是铲斗油缸连接销、衬套，一定要对这些地方的松紧进行检查。
The loose tooling forging of half shaft bushing on the steam-air forging hammer is numerically simulated using FEM software DEFORM3D.
采用商用有限元软件DEFORM3D对半轴套管胎模锻成形过程进行了计算机模拟。
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