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丁晴星型圈密封性好防水防油
美标O型密封圈耐油耐磨
耐高温内径密封圈
美标O型圈AS568-380/381/382/291.47/304.17/329.57/339.57*5.33
AS568密封圈丁青橡胶NBR
美标AS568O型圈452/453/454氟胶
丁晴耐油防水O型圈内径291.47/304.17/329.55/354.97/380.37*5.33
星型圈5.33*253.37/266.07/278.77/291.47/304.17X型圈密封圈优质
星型圈密封圈X型圈内径266.07/278.77/291.47/304.17/329.57*5.33
O型圈 密封圈 耐高温 X 内径 外径 285.1*291.47*304.17 线径6.99
X型圈 星型圈 内径291.47/297.80/304.17/310.50/3R16.87*6.99
星型圈6.99*97.8/304.17/316.87/329.57/342.27进口X型圈密封圈氟
X/星型圈内径278.77/291.47/304.17/329.57/354.97/380.37*5.33
丁青星型圈266.06/278.77/291.47/304.17/316.87/329.57*6.99
X型圈 星型圈 内径278.77/291.47/304.17/329.57/354.97*5.33
。AS568美标O型圈 NBR70丁晴胶O形圈线径5.33mm内径304.17-658.88
X星型圈263.33/266.07/278.77/285.77/291.47/297/304.17*6.99
氟胶耐高温X型圈内径266.07/278.77/291.47/304.17/316.87*6.99mm
X型圈 星型圈 内径291.47/297.80/304.17/310.50/316.87*6.99
进口美标X/星型圈 内径278.77/291.47/304.17/329.57/354.97*5.33
进口星型圈X型278.77/291.47/304.17/329.57/354.97/380.37*5.33
AS568美标氟胶高温耐磨O型圈278.77/291.47/304.17/329.57*5.33
进口美标X/星型圈 内径291.47/297.80/304.17/310.50/316.87*6.99
进口星型圈X型圈272.4/278.77/285.1/291.47/297.8/304.17*6.99
291.47/297.8/304.17*6.99进口星型圈X型圈 美标 丁晴橡胶密封圈
美标型圈丁晴胶形线径内
。进口星型圈X型圈272.4/278.77/285.1/291.47/297.8/304.17*6.99
新品星型圈密封圈X型圈内径266.07/278.77/291.47/304.17/329.57*
极速星型圈5.33*253.37/266.07/278.77/291.47/304.17X型圈密封圈
星型圈291.47/297.8/304.17/316.87/329.57/342.27*6.99丁晴 氟胶
NBR丁青橡胶件垫星型密封圈X型圈内径278.77/291.47/304.17*6.99
进口O型圈氟胶AS568 304.17/456.06/633.48*5.33密封圈规格大全*
美标丁晴O型圈内径304.17/316.87/329.57/342.27/354.97*6.99
星型圈X型圈内278.77/291.47/304.17/316.87/329.57/342.27*6.99
硅胶耐高温O型圈内径266.07/278.77/291.47/304.17/316.87*6.99mm
星型圈X型圈内278.77/291.47/304.17/329.57/354.97/380.37*5.33
美标丁晴O型圈线径6.99内径304.17/316.87/329.57/342.27/354.97
推荐O型圈 密封圈 耐高温 X 内径 外径 285.1*291.47*304.17 线径
X型圈星型圈内径278.77/291.47/304.17/329.57/354.97*5.33
匀发进口O型圈氟胶AS568 304.17/456.06/633.48*5.33密封圈规格大
丁青星型圈266.07/278.77/291.47/304.17/329.57/354.97*5.33
QR星型圈丁晴橡胶o型圈291.47 304.17 316.87 329.57 342.3* 6.99
O型圈 丁晴/线径3.53MM内径304.17/304.39/315.85/329.79/329.97
。氟胶星型圈X型圈线径5.33内径278.77/291.47/304.17-380.37密封
。进口星型圈X型278.77/291.47/304.17/329.57/354.97/380.37*5.3
新品O型圈 密封圈 耐高温 X 内径 外径 285.1*291.47*304.17 线径