产品介绍：
AC NO. | D | T | H | VFR-18 | 18 | 4.5 | 26.5,32,33,36,40,48,60 | VFR-20 | 20 | 4.5 | 26.5,32,33,36,40,48,60 | VFR-22 | 22 | 4.5 | 26.5,32,33,36,40,48,60 | VFR-25 | 25 | 4.5 | 26.5,32,33,36,40,48,60 | VFR-28 | 28 | 4.5 | 26.5,32,33,36,40,48,60 | VFR-32 | 32 | 4.5 | 26.5,32,33,36,40,48,60 | VFR-18*30 | 18*30 | 4.5 | 26.5,32,33,36,40,48,60 |
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