How to make Bom Type display its child items in the sales order for Assembly's main item

How to make Bom Type display its child items in the sales order for Assembly's main item, Bom Type as the main item for sales,

In the figure, 22346bc is the main material with bom type sales, and 18048SP is the main material with bom type assembly

or set it up to a special Let people know that he is a master item

For example, in assembly management, 18048SP is special, so there should be a way to make it also special in the sales order, right?

Anyway, thank you for listening to my questions！