4.6 元券星型内径484.46494.16￥40.60去看看鼎立密封科技发布了星型圈X型圈内径484.46/494.16/499.44/500.2/506.86/532.26*6.99星型内径484.46494.16￥22.70去看看新一五金旗舰店发布了星型圈X型圈内径484.46/494.16/499.44/500.2/506.86/532.26*6.99
