Cuddly Boxer Dog How Would You Introduce These Two Dogs?

How would you introduce these two dogs? - cuddly boxer dog

A dog: sensitive, delicate, feminine, are stored, the past, abused dog, Italian Greyhound, my baby, she is happy now, and was the only animal in the house for two years - in a bad state, non-aggressive dogs, loves to , the "boss" other animals do not like high energy, intelligent, playful

B. Dog - Boxer girl, fun loving, good home, simple, fun

How can the first two tips to help you with? They are sisters now!