Matthew Poole and continuators on 2 Chronicles 29:35

35 And also the burnt-offerings were in abundance , with the fat of the peace-offerings, and the drink-offerings for every burnt-offering. So the service of the house of the LORD was set in order.

Or, For the Burnt-offerings were to be offered also in abundance. So it is a reason why the Priests could not stay all the burntofferings, as was said v. 34. Because there was so much other work for them, for the Burnt-offerings were not onely to be flayed, but also to be offered, to wit, wholly, and with them the Fat of Peaceofferings, &c.