Ihe mgbochi ụda na-agụnyekarị ihe igwe, ihe ndị siri ike, ihe PC na ihe FRP.1. Mgbochi ụda ígwè: efere aluminom, efere galvanized na efere agba agba bụ ihe igwe nkịtị.Ihe mgbochi ụda igwe nwere ụdị ihe mkpuchi na ụdị ọkpọ ọkpọ microporous, nke nwere ike ...
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