"使有球形突出物" can be translated as "to create or have spherical protrusions" or "to form spherical bulges" in English, depending on the specific context and intended meaning.
If emphasizing the creation or presence of spherical protrusions on a surface or object, "to create or have spherical protrusions" would be appropriate.
If focusing on the physical appearance or shape of the bulges as being spherical, "to form spherical bulges" could be used.