parson's bronze partal section part by volume part by weight part changer part flow partial-admission turbine partial backfilling partial bulkhead partial carry partial cementation partial constituent partial correlation partial cross-section partial cut-off partial derivative partial diagram partial differential partial differential equation partial disclaimer |
parson's bronze манганов бронз с добра устойчивост срещу корозия и голяма якост на опън Търсената дума е намерена |