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星型X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
。氟胶星型圈X型圈线径3.53内径253.36/266.29/278.99-304.39密封
星型圈240.89/247.24/253.36/266.29/278.99/304.39*3.53丁晴现货
星型圈240.89/247.24/253.36/266.29/278.99/304.39*3.53丁晴橡胶
。星型圈 X型圈线径3.53内253.36/266.29/278.99-304.39o型圈密封
星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
。星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
丁晴星型圈X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
X型圈 星形密封圈内径253.36/266.29/278.99/304.39*3.53
X-RING星型圈X型圈内径253.36/266.29/278.99/304.39*3.53
丁晴星型圈密封性好防水防油
丁晴耐压耐油耐磨星型圈
AS568日本进口密封O型圈ORING 253.36/266.06/278.76/291.46*6.98
丁晴/NBR耐磨耐压耐油防水密封圈
。星型X型圈内径253.36/266.29/278.99/291.69/304.39*3.53
