12 angle flange bolt ishinda yakasungwa inoshandiswa kubatanidza maflange maviri, ine hexagonal musoro wemakona gumi nemaviri, zvichiita kuti zvive nyore kushanda panguva yekuisa. Iri rudzi rwebhaudhi rine hunhu hwekusimba kwepamusoro, kusimba, uye kuvimbika, uye yakashandiswa zvakanyanya mumainjiniya akasiyana ...
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