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Valvụ na-achịkwa na-agbapụta, gịnị ka m ga-eme?
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Ịhazi vibration nke valvụ, kedu ka esi edozi ya?
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Ịhazi mkpọtụ valve, ọdịda na mmezi
GỤKWUO -
Ntụnyere ihe mkpuchi roba valvụ
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Iwu iri dị na ntinye valvụ (2)
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Iwu iri dị na ntinye valvụ (1)
GỤKWUO -
Uru na ọghọm nke valvụ dị iche iche
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Nhọrọ valvụ na ọnọdụ ntọala
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Ọnyà Steam Ball Float
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Ihe mgbakwunye PPR pipes
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Okwu Mmalite nke valvụ Nnyefe
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Okwu Mmalite nke ngwa ndị bụ isi nke valvụ na-achịkwa
GỤKWUO