BRT2/BRT3支撑环
d D t BRT2 BRT3
8 18 2 GN4773-V0 GN0725-V0
10 20 2 GN4774-V0 GN0733-V0
14 24 2 GN4775-V0 GN0745-V0
15 28 2 GN4776-V0 GN6445-V0
16 26 2 GN4777-V0 GN0751-V0
18 26 2 GN4778-V0 GN6377-V0
18 31 2 GN4779-V0 GN6446-V0
20 28 2 GN4780-V0 GN6447-V0
20 30 2 GN4781-V0 GN0762-V0
20 33 2 GN4782-V0 GN6448-V0
22 35 2 GN4783-V0 GN6449-V0
22.4 30 2 GN4784-V0 GN6450-V0
22.4 33 2 GN4785-V0 GN6451-V0
23.5 31.5 2 GN4786-V0 GN6452-V0
25 35 2 GN4787-V0 GN0781-V0
25 38 2 GN4788-V0 GN6453-V0
25.5 35.5 2 GN4789-V0 GN6454-V0
27 40 3 GN4790-V0 GN6455-V0
28 35.5 3 GN4791-V0 GN6456-V0
28 40 3 GN4792-V0 GN6457-V0