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Ngwa nke butyl roba waterproof belt na leakage engineering of plant
Mwụfu bụ nsogbu na-adịghị ala ala na ụlọ ọrụ mmepụta ihe nke nwere ike ibute nnukwu mfu na nrụpụta, nchekwa na n'ikpeazụ uru.Ya mere, a ga-enwerịrị ngwọta dị irè ma dị irè.Otu n'ime ihe ngwọta kachasị mma maka idozi ntanye bụ iji teepu mmiri na-adịghị, dị ka teepu butyl.Butyl rọba bụ sịntet...GỤKWUO
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