Inquiry (采购产品): sewage pumps what is the better method of pumping sewagw? an ejector pump or a grinder pump and why? **** Hidden Message ***** BOB CARNAHAN 2425 LIBERTY AVE PITTSBURGH, PA 15222 USA Company: S/D ENGINEERING Title: PIPING DESIGNER Phone: 412-562-7597 Fax: 412-562-7591 E-mail: carnahan@sdengineers.com **** Hidden Message ***** carnahan@sdengineers.com
