??? ???? ???? ???? - ??? ??? ???? ?? ??? ???? ??? ??? ???? ??? ??? ???? ????? ?? ?? ?????? ???? ?? ???? ?? ???? ?????? ?? ????? ????? ???? ???
??? ???? ???????? ??? ????? ?????? 285PSI/740PSI? 150LBS ??? 300lbs ?? ????? ?????? ???? ?? ?? 2" ?? 36" ??? ?? ???? ?????? ??? ???? ??????? WCB? CF8? CF8M? CF3M? 4A? 5A? 6A ?? ??? ?????? ?????