型号       内径     外径（mm）   标准长度     外表颜色     光纤材质

PEOF-0.75    0.75           1.5                5400           黑色             PMMA

PEOF-1.0      1.0             2.2               3000           黑色              PMMA

PEOF-1.0      1.5             3.5               1400           黑色              PMMA

PEOF-2.0      2.0             4.0                250            黑色              PMMA