optic fiber ntau starry qab nthab
fiber ntau optichnub qub qab nthab
ib square meter 80 pc
Dia.0.75mm fibers thiab 1mm fiber ntau, 1.5mm fiber ntau sib xyaw
Sau koj cov lus ntawm no thiab xa tuaj rau peb
fiber ntau optichnub qub qab nthab
ib square meter 80 pc
Dia.0.75mm fibers thiab 1mm fiber ntau, 1.5mm fiber ntau sib xyaw
