What does "Vehikravtem al ha'Lechm" mean?
Rashi: It means 'On account of the Lechem". 1
Inasmuch as thr ensuing Korbanos are not independent Korbanos but are secondary to the Sh'tei ha'Lechem..
What is the significance of the Menachos and the Nesachim that accompanies the lambs, the bull and the rams?
Rashi: They are part of the Korban, as is explained in Pinchss - three Esronim of flour and half a Hin for the bull, two Esronim and a third of an Hin per ran and one Isaron per and a quarter of a Hin per lamb.