约返0.76元

O型圈丁腈胶NBR70内径268/272/278.99/279/291.69/291.96线径3.53

约返0.07元

O型圈 丁晴/线径3.53MM内径268/272/278.99/279/291.69/291.96

约返0.2元

【甬成】丁腈O型圈NBR内径278.99/279/291.69/291.96*3.53 耐油

约返0.13元

O型圈丁晴内径268/272/278.99/279/291.69/291.96/304.17线径3.53