在现代飞机结构中，整体结构件的应用导致了飞机装配型架结构中大量使用接头和工艺孔定位器。

Single structural parts are widely used in the structure of modern aircraft, and this leads to mostly adopt components in aircraft assembly fixtures to locate product joints and process holes.

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框架（2） 的另一端对应装有定位套（4），定位套（4）孔内有定位器（3）。

The other end of the framework (2) is correspondingly installed with a positioning set (4); in the hole of the positioning set (4) is the positioning device (3).

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