氟胶O型圈65x67x70x73x75x

氟胶O型圈65x67x68x70x73x7

氟胶O型圈65x67x68x70x73x75x78x80x82x83x85x87x90x3.5耐高温

氟胶O型圈65x67x68x70x73x75x78x80x82x83x85x87x90x3.5耐高温

氟胶O型圈外径61x62x63x64x65

密封件QYd50x60 50x62 55x65 55x67 60x70 60x72 63x73 63x75x12

丁晴胶O型圈62/75/78/80/83/8

氟胶O型圈外径65x66x67x68x69x70