peeji_ọkọlọtọ (1)
peeji_ọkọlọtọ (2)
peeji_ọkọlọtọ (3)
peeji_ọkọlọtọ (4)
peeji_ọkọlọtọ (5)

Ndị na-ekewapụ coaxial cryogenic