本文以空间木制楼梯扶手弯头为研究对象，叙述了该成组夹具的设计方法。

With aerial wooden stair handrail elbows as the object of study, the design method of relevant group fixture is stated.

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突出显示位置有一定的帮助，但还不够。因为对象有可能被其他对象完全遮盖，成组选择就更难处理了。

Locate highlighting can help but is insufficient because the object may be completely occluded by others. Group selection is even trickier.

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